Clecs Licensed in Michigan

Home , Frontier Communications, Frontier Midstates, Frontier North, Looking Glass Networks

Licensed and Competitive Local Exchange Carriers as of September 16, 2021 For corrections to the list, please contact Wendy Thelen at: thelenw@michigan.gov ATT Michigan - fka SBC Michigan, Ameritech Michigan. Frontier North Inc. fka Verizon North GTE North. Frontier Midstates Inc. fka Contel of the South, Inc dba Verizon North Systems, GTE North Systems

Company Name Case No. App Type Order Date Decision Interconnection Tariff

@link Networks, Inc. U-11758 Surrender 1/22/2002 Accepted AT&T MI/Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon agreements no Application longer in effect

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 8/11/98, order approving appl issued 11/05/98.

123.Net, Inc. dba Local Exchange U-11877 Initial 4/23/1999 Approved AT&T MI, Frontier fka Carriers of Michigan, Inc. Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones of the Grand Rapids district exchange served by SBC Ameritech Additional License Info:

123.Net, Inc. dba Local Exchange U-12916 1st Expansion 7/11/2001 Approved AT&T MI, Frontier fka Carriers of Michigan, Inc. Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

1-800-Reconex, Inc., dba USTel U-11700 Amendment 12/21/1998 Revoked AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Frontier fka Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Eliminated Verizon North territory Additional License Info:

1-800-Reconex, Inc., dba USTel U-11700 Initial 2/23/2012 Revoked CenturyTel Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Amendment filed under U-11700 on 10/19/98 for reduction in territory, eliminating GTE North territory exchanges, approved by Commission 12/21/98 - see next record Initial application filed 5/29/1998 and approved on 9/11/1998. Tariff filed for SBC and Verizon North License revoked through Commission's Own Motion Order in Case No. U-16895.

1-800-Reconex, Inc., dba USTel U-12214 1st Expansion 2/23/2012 Revoked AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Frontier fka Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Tariff filed for SBC and Verizon North Expansion application filed 11/23/1999. Expansion issued under U-12214 on 1/19/2000

Page 1 Company Name Case No. App Type Order Date Decision Interconnection Tariff

2nd Century Communications, Inc. U-12326 Surrender 8/16/2001 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 2/18/2000, order approving appl issued 5/3/00

360networks (USA) inc. U-12685 Surrender 12/6/2012 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 10/23/2000 and Order granting license issued on 1/23/2001.

365 Wireless, LLC U-17245 Surrender 4/18/2019 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Zones & exchanges served by Frontier North, Frontier Midstates, Frontier Communications of Michigan & AT&T Michigan Additional License Info: Initial application filed 4/3/2013 Temporary license issued 7/29/2013 Permanent license issued 8/29/2013

A.R.C. Networks, Inc. U-11297 Surrender 2/8/2011 Approved None Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Detroit & Grand Rapids exchange areas served by Teleport Communications Group & Brooks Fiber Communications Additional License Info: Initial application filed 1/15/1997 and approved 4/4/1997, docket U-11297

AboveNet Communications, Inc. U-12674 Surrender 12/6/2012 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: license issued under Metromedia Fiber Network Services, Inc. Initial application filed 10/23/2000 and Order granting license issued 1/23/2001.

Acceris Communications Corp. U-14154 Surrender 5/23/2007 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 8/11/04, order approving appl issued 11/23/04.

Page 2 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Access One, Inc. U-12905 Initial 7/11/2001 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Access Point, Inc. U-15580 Surrender 4/18/2019 Accepted AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Surrendered Frontier fka Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial license filed 5/9/2008 Permanenet license issued 9/23/2008

AccuTel of Texas, Inc. U-12772 Surrender 6/16/2011 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Permanent license application filed 12/21/00 Permanent license granted 5/15/01

ACCXX Communications, LLC U-13940 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 11/6/03. Order granting application issued 2/12/04. License revoked through Commission's Own Motion Order in Case No. U-16072.

ACD Telecom of the North, LLC U-15911 Surrender 12/18/2014 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: The remaining eight unassigned territories in the Upper Peninsula of Michigan. Additional License Info: Original application filed 3/4/09. Temporary license issued 4/16/09. Permanent license issued 6/2/09.

Page 3 Company Name Case No. App Type Order Date Decision Interconnection Tariff

ACD Telecom, Inc. U-12180 Surrender 5/20/2016 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Following exchanges served by Verizon North: Adrian, Alma, Ashley, Bancroft, Barryton, Bath, Blissfield, Breckenridge, Britton, Bronson, Carson City, Clinton, Coldwater, Coldwater Lake, DeWitt, Durand, Edmore, Elsie, Fenwick, Fowler- Pewamo, Grand Ledge, Grass Lake, Hemlock, Hubbardston, Hudson, Ithaca, Laingsburg, Lakeview, Maple Rapids, McBride, Merrill, Middleton, Mt. Pleasant, Muir, Ovid, Owosso, Palo, Pompeii, Quincy, Remus, Riverdale, Shepherd, Sheridan, Sidney, Six Lakes, St. Johns, St. Louis, Stanton, Tecumseh, Tipton, Union City, Vestaburg, Weidman, and Williamston. Exchanges of Addison, Burlington, Fitchburg, Homer, Morenci, Munity, Onondaga, Parma, Rives Junction, Stockbridge, Tekonsha & Webberville served by Verizon North Systems and the Albion, Charlotte, Clark Lake, Dansville, Dimondale, Eaton Rapids, Fowlerville, Hillsdale, Holt, Howell, Jackson, Jonesville, Lansing, Leslie, Mason, Mulliken, Nashville, Portland, Potterville and Vermontville exchanges served by SBC Ameritech. Additional License Info: Initial application filed 10/18/99 Permanent license issued 1/19/00

ACD Telecom, Inc. U-13325 Surrender 5/20/2016 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All exchanges in the lower peninsula currently served by Ameritech Michigan, Verizon North and Verizon North Systems as well as the exchanges in the lower peninsula currently served by Ace Telephone Company of Michigan, Inc. Allendale Telephone Company, Barry County Telephone Company, Blanchard Telephone Association, Inc., Bloomingdale Telephone Company, Carr Telephone Company, CenturyTel of Michigan, Inc., CenturyTel of Midwest- Michigan, Inc., CenturyTel of Northern Michigan, Inc., Chapin Telephone Company, Climax Telephone Company, Deefield Farmers' Telephone Company, Drenthe Telephone Company, Frontier Communications of Michigan, Inc., Kaleva Telephone Company, Lennon Telephone Company, Ogden Telephone Company, Peninsula Telephone Company, Pigeon Telephone Company, Sand Creek Telephone Company, Springport Telephone Company, TDS Telecom/Augusta, TDS Telecom/Millington, TDS Telecom/Shiawasee, TDS Telecom/Wolverine, Waldron Telephone Company, Westphalia Telephone Company & Winn Telephone Company Additional License Info: Expansion case filed 3/15/02 Expansion order issued 6/6/02

ACD Telecom, Inc. U-15957 Surrender 5/20/2016 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All incumbent territories throughout the state of Michigan. Additional License Info: 2nd expansion application filed 4/30/09 Temporary license issued 5/26/09 Permanent license issued 7/1/09

Ace Telephone Company of Michigan, Inc. U-16468 Initial 12/21/2010 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Request to expand license to provide service in the Old Mission exchange currently served by Peninsula Telephone Company. Additional License Info: Temporary expanded license issued on 10/26/2010. Tariff filed for U-16468 territory.

Page 4 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Ace Telephone Company of Michigan, Inc. U-17262 1st Expansion 8/13/2013 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Current service areas of Allendale Telephone Company which include the Allendale and Drenthe exchanges served by Allendale Telephone Company, the Holland and Zeeland exchanges served by AT&T Michigan, and the Cooperville exchange served by Frontier North Inc. Additional License Info: Temporary expansion issued 6/28/13. Tariff filed to cover the areas listed in the expansion.

ACN Communication Services, LLC U-13475 Initial 10/3/2002 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Advanced Integrated Technologies, Inc. U-13961 Surrender 6/7/2019 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 11/25/03. Order approving application issued 3/16/04

Advanced TelCom, Inc. U-11995 Surrender 11/7/2002 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 6/21/1999, order approving appl issued 8/31/99

Affinity Network, Incorporated U-12264 Surrender 7/8/2003 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered agreement no longer in Application effect

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 1/5/00, order approving appl issued 4/11/00.

Affordable Voice Communications, Inc. U-14047 Initial 4/14/2016 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: SBC, Verizon North, Verizon North Systems and 36 other incumbent local exchange carriers. Additional License Info: Initial application filed 2/27/04 Temporary license issued 4/20/04. Permanent license issued 6/3/04.

License revoked under Commission's Own Motion in U-18008

Page 5 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Air Advantage, LLC U-17001 Initial 5/24/2012 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All incumbent local exchange carriers service territories throughout the state of Michigan. Additional License Info: Temporary license issued 4/17/2012

Airdis, LLC, dba Airdis Telecom U-14639 Initial 2/23/2012 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary licensed was issued 11/10/05 Initial application filed 9/22/2005 and granted on 12/20/2005. License revoked through Commission's Own Motion Order in Case No. U-16895.

Airespring, Inc. U-15328 Initial 9/11/2007 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 7/26/07.

AirNorth Communications, Inc. U-17745 Initial 3/4/2021 Approved AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 11/12/14. Temporary license issued 12/18/14. Permanent license issued 1/27/15. License revoked via COM docket no. U-20892.

Airus, Inc. fka IntelePeer U-16127 Initial 2/8/2010 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan in any area served by incumbent providers. Additional License Info: Temporary license issued 12/28/09 License issued under Intelepeer, Inc.

Allband Communications Cooperative U-14200 Initial 12/2/2004 Approved Frontier fka Verizon Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Will provide service in the proposed Robbs Creek exchange. Territory is not assigned to or served by any local exchange carrier. Additional License Info: Temporary license issued 8/31/04

Allband Communications Cooperative U-15385 1st Expansion 11/8/2007 Approved Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Seven currently unserved areas in of Alcona, Alpena, Presque Isle, Montmorency, Gladwin, Ogema and Oscoda counties. Additional License Info: Temporary license issued 10/25/07.

Page 6 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Allband Communications Cooperative U-15921 2nd Expansion 6/2/2009 Approved Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Seeks to expand its Robbs Creek exchange to include portions of Verizon's Hillman, Lachine, Hubbard Lake and Fairview exchanges. Additional License Info: No tariff filed for this territory.

Allegiance Telecom Of Michigan, Inc. U-13241 Surrender 6/7/2005 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: 1st expansion filed 12/28/01, order issued 3/21/02.

Allegiance Telecom Of Michigan, Inc. U-11872 Surrender 6/7/2005 Accepted AT&T MI/Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon agreements no Application longer in effect

ATT MI Frontier North Frontier Midstates CenturyTel Other: Detroit LATA zone exchanges served by SBC Ameritech Additional License Info: Original appl filed 12/21/98, order issued 3/22/99.

Allendale Telephone Company U-11459 Initial 9/30/1997 Accepted Frontier fka Verizon Application Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Expansion into Coopersville exchange of GTE North Additional License Info: Application filed 6/14/1997 Order issued 9/30/1997 Tariff revision filed for U-11459 territory.

Allendale Telephone Company U-14468 1st Expansion 5/17/2005 Accepted Geographic Area/Incumbent Territory where licensed: Withdrawn Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Requested license to provide service in the LATA exchanges served by SBC MI, Verizon North Inc. & CenturyTel Midwest -- Michigan, Inc. Additional License Info:

Allendale Telephone Company U-16835 Surrender 12/6/2013 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Seeks authority to amend the geographic area to include the Drenthe exchange served by Drenthe Telephone Company, and the Holland and Zeeland exchanges served by AT&T Michigan. Additional License Info: Expansion application filed 7/21/2011 Temporary expansion order granted 8/25/2011. Tariff filed for U-16835 territory. Expansion granted 10/4/11

Page 7 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Alpha Connect, LLC U-16899 Initial 1/26/2012 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Iron Mountain & Escanaba Exchanges of the Upper Peninsula LATA of Michigan in which Michigan Bell Telephone Company d/b/a AT&T Michigan is the incumbent local exchange carrier Additional License Info: Temporary license issued 12/6/2011

Alticomm, Inc. U-13692 Initial 9/11/2007 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 1/30/03, order approving appl issued 5/2/03 License revoked through Commission's Own Motion in Case No. U-15237

American Broadband and U-14330 Initial 3/29/2005 Approved AT&T MI, Frontier fka Telecommunications Company Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Zone and exchange areas served by SBC Michigan, Verizon North, Verizon North Systems, CenturyTel Midwest – Michigan, Inc., CenturyTel of Michigan, Inc., CenturyTel of Northern Michigan, Inc., CenturyTel of Upper Michigan, Inc., Frontier Communications of Michigan, Inc., Deerfield Farmer’s Telephone Company, Odgen Telephone Company and Sand Creek Telephone Company. Additional License Info:

American Farm Bureau, Inc. U-13807 Surrender 1/10/2006 Accepted AT&T MI/Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon agreements no Application longer in effect

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: original appl filed 6/12/03, license issued 9/11/03

American Fiber Network, Inc. U-12469 Initial 2/23/2012 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed on 6/13/2000 and issued on 9/18/2000 License revoked through Commission's Own Motion Order in Case No. U-16895.

Ameritech Communications, Inc. U-10934 Initial 12/20/1995 Accepted None Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges in the Grand Rapids and Detroit LATAs served by SBC Michigan & Verizon Additional License Info:

Page 8 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Ameritech Communications, Inc. U-11053 Surrender 5/28/2003 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 3/1/96, order approving appl issued 8/28/96 (2nd appl after w/drawing)

AmeriVoice Telecommunications, Inc. U-11906 Surrender 12/18/2003 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges in the lower peninsula served by SBC Michigan Additional License Info: Initial application filed 2/25/99, order approving appl issued 5/27/99.

ARBROS Communications Licensing U-12808 Initial 12/1/2009 Revoked None Company Central, LLC Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 1/31/01. Order granting application issued 5/15/01. License revoked through Commission's Own Motion Order in Case No. U-16072.

Arialink Telecom, LLC U-14357 Surrender 5/29/2013 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Only, AT&T MI Application agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary 1 year license issued 1/25/05. Original application filed 11/19/04. Permanent license issued 2/24/05.

Aspire Networks 1, LLC U-20956 Initial 5/26/2021 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: Temporary Issued on 4/21/21

Assurance Home Phone Services, Inc. U-16464 Surrender 12/6/2012 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 9/29/2010 and Order issued granting permanent license on 2/25/2011.

Page 9 Company Name Case No. App Type Order Date Decision Interconnection Tariff

AT&T Communications of Michigan, Inc. U-11052 1st Expansion 4/26/1996 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech Michigan & Verizon North in the Detroit & Lansing LATAs Additional License Info:

AT&T Communications of Michigan, Inc. U-11169 2nd Expansion 11/14/1996 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech Michigan & Verizon North in the Saginaw & Upper Peninsula LATAs Additional License Info:

AT&T Communications of Michigan, Inc. U-10845 Surrender 2/28/2013 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech Michigan & Verizon North in the Grand Rapids LATA Additional License Info: Initial application filed 5/3/1995, Order issued 11/8/1995.

AT&T Corp. U-17031 Initial 9/11/2012 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Geographic area served by AT&T Communications of Michigan, Inc., which includes the service areas of Michigan Bell Telephone Company d/b/a AT&T Michigan, Frontier North, Inc. and Century Tel of Upper Michigan, Inc, d/b/a Century Link Additional License Info: Temporary license issued 7/30/12

AT&T Michigan U-12809 Initial 4/17/2001 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended Ameritech Michigan's Lansing exchange to include a portion of Verizon North's Dewitt exchange. Additional License Info: Tariff filed for U-12809.

AT&T Michigan U-13044 1st Expansion 9/7/2001 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Extension of boundary of Lansing exchange to include portion of Verizon North Grand Ledge exchange Additional License Info: Tariff for U-13044 filed

AT&T Michigan U-13932 2nd Expansion 2/12/2004 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amendment of license to include territory along the southeastern portion of its Lake Leelanau exchange where it adjoins the Suttons Bay exchange of CenturyTel of Michigan, Inc. Additional License Info: Tariff filed for U-13932.

Page 10 Company Name Case No. App Type Order Date Decision Interconnection Tariff

AT&T Michigan U-14118 3rd Expansion 6/29/2004 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Territory along the southeastern portion of its West Branch exchange where it adjoins the Tittabawassee River State Forest; territory currently unassigned. Additional License Info:

AT&T Michigan U-14194 4th Expansion 9/21/2004 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Boundary revision of its Jackson exchange. Territory is assigned to Verizon North Systems Parma exchange. Additional License Info: Tariff for U-14194 filed

AT&T Michigan U-14313 5th Expansion 1/6/2005 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amend license and Flint exchange boundary to include part of the Rankin exchange currently served by Verizon North Systems Additional License Info: Tariff filed for U-14313

AT&T Michigan U-15070 6th Expansion 12/12/2006 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Request to include territory along the southern border of its Ypsilanti exchange into the Saline exchange of Verizon North Inc. Additional License Info:

ATI Networks, Inc. U-13795 Initial 8/18/2003 Approved AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

ATI Networks, Inc. U-17565 1st Expansion 5/13/2014 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: Temporary order issued 4/1/2014

Atlas Communications, LTD. U-12084 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 8/31/99. Order granting application issued 11/16/99. License revoked through Commission's Own Motion Order in Case No. U-16072.

Page 11 Company Name Case No. App Type Order Date Decision Interconnection Tariff

B&S Telecom, Inc. U-12911 Initial 8/11/2011 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary 1-year license granted 5/15/01

License revoked in U-16501

B&S Telecom, Inc. U-14007 1st Expansion 8/11/2011 Approved AT&T MI Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include all zone and exchange areas in the state of Michigan except for the Muskegon exchange Additional License Info: Expansion filed 1/15/2004

BAK Communications, LLC U-13784 Initial 7/23/2003 Application Application Dismissed Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Bandwidth.com CLEC, LLC U-15446 Initial 1/29/2008 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Zones and exchanges areas of AT&T Michigan, Verizon North Inc., Verizon North Systems and other incumbent providers. Additional License Info: Temporary license issued 12/4/07.

Baraga Telephone Company U-11720 Initial 9/23/1998 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Calumet, Houghton, Lake Linden & Keweenaw served by SBC Michigan Additional License Info: Tariff revision filed for Houghton exchange (U-11720).

Baraga Telephone Company U-12869 1st Expansion 6/5/2001 Approved AT&T MI Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Amasa, Bark River, Bergland, Bessemer, Big Bay, Brevort, Calumet, Champion, Channing, Cornell, Crystal Falls, Curtis, Engadine, Escanaba, Gladstone, Gwinn, Hermansville, Iron Mountain, Iron River, Ironwood, Ishpeming, Keweenaw, Lake Linden, Mackinac Island, Marquette, Menominee, Michigamme, Negaunee, Newberry, Norway, Perkins, Powers, Rapid River, Republic, Rock, Sault Ste. Marie, St. Ignace, Stephenson, Trout Lake, Wakefield & Watersmeet served by SBC Michigan.

. Additional License Info: Tariff revision filed for Crystal Falls exchange (U-12869)

Page 12 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Barnes Engineering, LLC dba BelleCom, U-13829 Initial 9/11/2007 Revoked None LLC Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 7/3/03, order approving appl issued 10/7/03. License revoked through Commission's Own Motion in Case No. U-15237.

BCM One, Inc. U-15248 Initial 6/12/2007 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: temporary license issued 5/22/07 License issued under McGraw Communications, Inc.

BCN Telecom, Inc. U-14134 Initial 7/22/2004 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

BCR Network Services, Inc., dba The U-14877 Surrender 8/14/2015 Accepted AT&T MI Data Warehouse Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Zone and exchange areas in the lower peninsula of Michigan where AT&T Michigan, Verizon North, Inc. and Verizon North Systems are the incumbent carriers. Additional License Info: Initial application filed 5/8/06 Temporary license issued 8/22/06 Permanent license issued 9/26/06

Bell South Long Distance, Inc., dba AT&T U-14536 Surrender 11/14/2013 Accepted None Long Distance Service Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 5/26/05 License granted 8/16/05

Big River Telephone Company, LLC U-17489 Initial 1/23/2014 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 12/6/2013

Page 13 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Bilan Communications, Inc. U-11817 Surrender 12/4/2007 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchange of Monroe served by SBC Michigan Additional License Info: Initial application filed 10/12/98. Order granting application issued 1/6/99.

Blanchard Telephone Association, Inc. U-13783 Surrender 1/26/2012 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Territory located in the Lakeview exchange of Verizon North Inc. Additional License Info: Original application filed 5/1/2003 Permanent License issued 7/8/2003

Blanchard Telephone Co. U-15226 Initial 6/26/2007 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: The Blanchard exchange and the east 1/2 of sections 18 and 19, and all of section 20 in Millbrook Township in Mecosta county, currently served by Verizon North. Additional License Info: Temporary license issued 5/22/07. Tariff filed for U-15226.

BLC Management LLC, dba Angles U-15572 Surrender 5/24/2012 Accepted Frontier fka Verizon Communication Solutions, Mexicall Surrendered agreement no longer in Communications Application effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 7/1/08 Permanent license issued 10/7/08

Bloomingdale Telephone Company, Inc. U-12849 Initial 6/5/2001 Approved Frontier fka Verizon Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Adamsville, Allegan, Bangor, Cassopolis, Constantine, Covert, Decatur, Dowagiac, Edwardsburg, Fennville, Ganges, Gobles, Grand Junction, Hamilton, Hartford, Lawton, Marcellus, Mattawan, Paw Paw, Saugatuck, Sister Lakes, Schoolcraft, South Haven, Three Rivers, Union, Vandalia & White Pigeon served by Verizon North & Bridgman, Baroda, Glenn, Lacota, Lawrence, Pullman & Sawyer exchanges served by Verizon North Systems Additional License Info:

Blue Casa Telephone, LLC U-20495 Initial 5/23/2019 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 14 Company Name Case No. App Type Order Date Decision Interconnection Tariff

BlueStar Networks, Inc. U-12225 Surrender 7/11/2001 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered agreement no longer in Application effect

ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech Michigan in the Grand Rapids, Lansing & Saginaw LATAs Additional License Info: Initial application filed 12/3/99, order granting application issued 2/22/00.

Borderland Communications, LLC U-12265 Initial 4/11/2000 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech Michigan in the Upper Peninsula. Additional License Info: Tariff on file for Iron Mountain exchange.

Bright House Networks Information U-14478 Initial 7/19/2005 Approved AT&T MI Services (Michigan), LLC Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

BroadBand Office Communications, Inc. U-12253 Surrender 8/16/2001 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 12/22/99, order approving appl issued 3/14/00

Broadstream Corporation U-12058 Surrender 6/5/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/27/1999, order approving appl issued 10/28/99

Broadview Networks, Inc. U-12339 Initial 6/19/2000 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Broadvox-CLEC, LLC U-15913 Initial 5/26/2009 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 4/16/09.

Page 15 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Broadwing Communications, LLC U-14294 Initial 12/2/2004 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 11/9/04

Broadwing Local Services, Inc. U-12046 Surrender 3/16/2004 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/12/99, order approving appl issued 9/14/99.

BT Communications Sales LLC U-11951 Surrender 1/19/2016 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under Concert Communications Sales LLC Permanent license issued 7/16/1999

Buckeye Telesystem, Inc. U-12183 Initial 2/9/2000 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Portion of Lambertville exchange served by Verizon North Systems & a portion of the Temperance exchange served by Verizon North Additional License Info:

Buckeye Telesystem, Inc. U-14607 1st Expansion 10/18/2005 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Portions of Bedford, Erie, Ida, Summerfield and Whiteford Twps. In Monroe County & a parts of Riga Twp. In Lenawee County, corresponding to portions of the Lambertville exchange served by Verizon North Systems, portions of the Blissfield, Erie, Temperance and Sylvania exchanges served by Verizon North Inc., and the entirety of the Lost Peninsula exchange served by Verizon North Inc. Additional License Info: Tariff filed for U-14607 territory

Buckeye Telesystem, Inc. U-15425 2nd Expansion 12/4/2007 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Portion of Bedford Township (Erie exchange) in Monroe County currently served by Verizon North Inc. Additional License Info: Tariff filed for U-15425 territory

Buckeye Telesystem, Inc. U-16410 3rd Expansion 10/14/2010 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Expansion of its license to include the Ann Arbor and Monroe exchanges currently served by AT&T Michigan. Additional License Info: Temporary license issued 8/10/10.

Page 16 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Buckeye Telesystem, Inc. U-17013 4th Expansion 5/1/2012 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Various zone and exchange areas throughout the State of Michigan, see order for specific details Additional License Info:

Budget PrePay, Inc., dba Budget Phone U-13329 Surrender 2/28/2017 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 3/20/02 Permanent license issued 6/21/02

Building Communications, Inc. U-11246 Initial 12/1/2009 Revoked Frontier fka Verizon Application agreement no longer in Geographic Area/Incumbent Territory where licensed: effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Bloomfield Hills, West Bloomfield, Birmingham, Farmington Hills, Livonia, Mount Clemons, Novi, Pontiac, Rochester, Rochester Hills, Roseville, Royal Oak, Southfield, Sterling Heights, Warren, Walled Lake, Troy in the southeast MI LATA. Additional License Info: Original application filed 11/14/96. Order granting application issued 3/10/97. License revoked through Commission's Own Motion Order in Case No. U-16072.

BullsEye Telecom, Inc. U-11942 Initial 8/17/1999 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

BullsEye Telecom, Inc. U-14436 1st Expansion 6/7/2005 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 3/29/05.

BullsEye Telecom, Inc. U-16491 2nd Expansion 1/20/2011 Approved AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Frontier fka Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Request to expand license to include the local exchanges of Frontier Communications of Michigan, Inc. Additional License Info: Temporary license issued 12/2/10.

C2C Fiber of Michigan, Inc. U-12474 Surrender 5/20/2008 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 6/9/00, order granting license issued 9/25/00.

Page 17 Company Name Case No. App Type Order Date Decision Interconnection Tariff

C3 Networks & Communications Limited U-13174 Surrender 3/16/2004 Accepted None Partnership Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: original application filed 11/1/01, order approving appl issued 1/22/02

CA Networks, Inc. U-14469 Initial 9/20/2005 Accepted None Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Call Giant, Inc. U-12742 Initial 4/14/2016 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under Bell Connect, Inc. Initial application filed 12/1/2000 License revoked through Commission's Own Motion Order in Case No. U-18008.

Call One, Inc. U-13051 Initial 11/20/2001 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under United Communications Systems, Inc. dba Call One

Call UP, Inc. U-11810 Initial 9/11/2007 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amasa, Bark River, Bergland, Bessemer, Big Bay, Brevort, Calumet, Cedarville, Champion, Channing, Cornell, Crystal Falls, Curtis, DeTour, Engadine, Escanaba, Garden, Gladstone, Gulliver, Gwinn, Hermansville, Houghton, Iron Mountain, Iron River, Ironwood, Ishpeming, Keweenaw, Kinross, Lake Linden, Mackinac Island, Manistique, Marquette, Menominee, Michigamme, Negaunee, Newberry, Norway, Perkins, Pickford, Powers, Rapids River, Republic, Rock, Rudyard, Sault Ste. Marie, St. Ignace, Stephenson, Trout Lake, Wakefield & Watersmeet exchanges served by SBC Ameritech Michigan & CenturyTel of the Upper Peninsula Additional License Info: Initial appl filed 10/6/98, order approving appl issued 2/2/99. License revoked through Commission's Own Motion in Case No. U-15237.

Campus Communications Group, Inc. U-13278 Surrender 5/17/2010 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 1/30/02. Order granting license issued 4/16/02.

Page 18 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Campus Communications Group, Inc. U-20096 Initial 5/17/2018 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 3/15/2018

Carr Telephone Company U-13450 Initial 9/16/2002 Approved AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include exchanges of Hart, Hesperia, Ludington, Pentwater & Shelby served by Verizon North & Baldwin, Big Rapids, Fountain, Freesoil, Irons, Luther, Manistee, Reed City & Scottville exchanges served by SBC Ameritech Michigan Additional License Info:

CAT Communications International, Inc. U-12356 Initial 12/1/2009 Revoked Frontier fka Verizon, Application Frontier of MI Only, Geographic Area/Incumbent Territory where licensed: AT&T no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 3/20/00. Order granting application issued 7/6/00. License revoked through Commission's Own Motion Order in Case No. U-16072.

Cathect Communications Inc. U-20830 Initial Pending Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info:

Cathect Communications Inc. U-20830 Initial 10/29/2020 Application Application Dismissed Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info:

CBTS Technology Solutions Inc. f/k/a U-16060 Initial 10/29/2009 Approved AT&T MI Cincinnati Bell Any Distance Inc. Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 9/15/09.

CCCMI,Inc., d/b/a Connect! U-12014 Initial 12/1/2009 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 6/21/99. Order granting application issued 10/13/99. License revoked through Commission's Own Motion Order in Case No. U-16072.

Page 19 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Celerity Telecom, Inc. U-14423 Surrender 5/17/2010 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application filed 2/1/05. Temporary license issued 3/29/05. Permanent license issued 5/17/05.

CenturyLink Communications, LLC d/b/a U-10992 Initial 4/26/1996 Approved AT&T MI Lumen Technologies Group Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech & Verizon North in the Grand Rapids LATA. Additional License Info: U-10992 issued under LCI.

CenturyLink Communications, LLC d/b/a U-11309 1st Expansion 2/28/1997 Approved AT&T MI Lumen Technologies Group Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: U-11309 issued under LCI.

CenturyLink Communications, LLC d/b/a U-11885 Initial 5/11/1999 Approved AT&T MI Lumen Technologies Group Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

CenturyLink Communications, LLC d/b/a U-17850 2nd Expansion 4/23/2015 Approved Lumen Technologies Group Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones and exchange areas in the state of Michigan. Additional License Info: Temporary amended license issued 3/10/15

CenturyTel Acquisition LLC U-14473 Surrender 3/18/2015 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temp. license issued 4/28/05 Permanent license issued 6/16/05

CenturyTel Solutions, LLC U-12328 Surrender 1/31/2017 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 2/23/00 Permanent license issued 7/6/00

Page 20 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Charter Fiberlink - Michigan, LLC U-14355 Initial 2/24/2005 Approved AT&T MI, CenturyTel, Application TDS, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon, Frontier of MI, other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: All incumbent local exchange carriers operating in the state of Michigan. Additional License Info: 2/24/05 order issued for Verizon North, Verizon North Systems, and SBC territories. 3/7/05 errata to 2/24/05 order corrects order to also include any other incumbent local exchange carrier operating in Michigan in addition to Verizon North, Inc., Verizon North Systems and SBC Michigan.

Charter Fiberlink CC VIII, LLC U-15917 Initial 7/1/2009 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan including the zones and exchange areas in which the incumbent local exchange carriers are Verizon North, Inc., Contel of the South, Inc., dba Verizon North Systems, AT&T Michigan or where other carriers serve as incumbent local exchange carriers. Additional License Info: Temporary license issued on 4/30/2009

Cherry Capital Connection, LLC U-20474 Initial 5/23/2019 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Temporary license issued 4/18/2019. Tariff filed for the AT&T Michigan, Frontier, & CenturyLink companies.

Chippewa County Telephone Company U-10054 Surrender 6/15/2015 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Choctaw Communications, Inc., d/b/a U-12157 Surrender 12/18/2003 Accepted AT&T MI agreement no Smoke Signal Communications Surrendered longer in effect Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl. filed 10/8/99, order approving appl issued 1/10/00.

CI2 Inc. U-12239 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 12/20/99. Order granting application issued 3/3/00. License revoked through Commission's Own Motion Order in Case No. U-16072.

Page 21 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Ciera Network Systems, Inc. U-13130 Initial 9/11/2007 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 10/2/01, order approving appl issued 2/1/02. License revoked through Commission's Own Motion in Case No. U-15237.

CIMCO Communications, Inc. U-11426 Surrender 7/27/2010 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn Heights, Belleville, Birmingham, Carleton, Centerline, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Flat Rock, Holly, Lake Orion, Livonia, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Oxford, Plymouth, Pontiac, Rochester, Rockwood, Romeo, Romulus, Roseville, Royal Oak, Southfield, South Lyon, Trenton, Troy, Walled Lake, Warren, Washington, Wayne, West Bloomfield, Willis, Wyandotte, Utica & Ypsilanti served by SBC Ameritech Michigan Additional License Info: Original application filed 8/12/97. Order granting license issued 11/25/97.

CIMCO Communications, Inc. U-13324 Surrender 7/27/2010 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Various exchanges throughout the state of Michigan Additional License Info: Application filed 3/15/02. Order granting expansion issued 6/6/02.

CityNet Telecommunications, Inc. U-12523 Surrender 2/12/2004 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/14/00, order approving appl issued 10/6/00.

Clear Rate Communications, Inc. U-13662 Initial 5/28/2003 Approved AT&T MI, CenturyTel, Application Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Clear Rate Communications, Inc. U-16056 1st Expansion 9/29/2009 Approved AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Frontier fka Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: All the zones and exchanges served by incumbent carriers throughout the state of Michigan. Additional License Info:

Page 22 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Cleartel Telecommunications, Inc. U-13489 Surrender 12/16/2009 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license approved 9/11/2003. - order issued under Essex Acquisition Corporation Original application filed 7/28/03. Order granting license issued 11/4/03.

Climax Telephone Company U-11143 Initial 10/7/1996 Approved AT&T, Frontier fka Application Verizon, Comm. Corp. of Geographic Area/Incumbent Territory where licensed: MI ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Kalamazoo, Galesburg, Scotts & Battle Creek Additional License Info: Tariff on file for U-11143

Climax Telephone Company U-18438 1st Expansion 10/25/2017 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 8/23/2017

CloseCall America, Inc. U-13323 Initial 6/21/2002 Revoked Frontier fka Verizon Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temp. license issued 4/16/02. Order and license issued under C.L.Y.K., Inc., d/b/a Affinity Telecom. Nm chg to Affinity Telecom, Inc. Merger of Affinity into CloseCall.

CloseCall America, Inc. U-14937 Initial 2/23/2012 Revoked Frontier fka Verizon Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: temporary license issued 10/24/06 Order issued under Close Call America, Inc. Initial application filed 6/29/2006 and issued 11/9/2006. License revoked through Commission's Own Motion Order in Case No. U-16895.

CMC Telecom and Internet, Inc. U-18483 Initial 10/24/2018 Application Application Dismissed Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application was dismissed without prejudice and license was denied 10/24/18.

Page 23 Company Name Case No. App Type Order Date Decision Interconnection Tariff

CMC Telecom, Inc. U-14113 1st Expansion 3/4/2021 Revoked Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Only, AT&T MI agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original expansion filed 4/14/04. Order granting license issued 6/29/04. License revoked via COM docket no. U-20892.

CMC Telecom, Inc. U-11425 Initial 3/4/2021 Revoked Frontier fka Verizon Application Only, AT&T MI Geographic Area/Incumbent Territory where licensed: agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn Heights, Belleville, Birmingham, Carleton, Centerline, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Flat Rock, Holly, Lake Orion, Livonia, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Oxford, Plymouth, Pontiac, Rochester, Rockwood, Romeo, Romulus, Roseville, Royal Oak, Southfield, South Lyon, Trenton, Troy, Walled Lake, Warren, Washington, Wayne, West Bloomfield, Willis, Wyandotte, Utica & Ypsilanti served by SBC Ameritech Michigan Additional License Info: Date initial application filed 8/8/97. Application approved 11/25/97. License revoked via COM docket no. U-20892.

Coast to Coast Telecommunications, Inc. U-11219 Surrender 6/26/2007 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges in the lower peninsula served by SBC Ameritech Michigan Additional License Info: Original application filed 10/14/96. Order granting application issued 1/8/97 under U-11219. Surrender order issued under U-15112.

Cogent Communications of Michigan, Inc. U-12396 Surrender 8/22/2006 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: order issued under Allied Riser of Michigan, Inc. Initial appl filed 4/21/00, ordering granting appl issued 8/31/00.

Coldwater Telecommunications Utility U-11650 Initial 7/13/1998 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Coldwater, Coldwater Lake, Bronson, Quincy & Union City served by Verizon North Additional License Info:

COLI, Inc. d/b/a 186networks U-20767 Initial 8/20/2020 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Temporary license issued 7/9/20

Page 24 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Comcast Business Communications, LLC U-12707 1st Expansion 3/29/2001 Accepted Geographic Area/Incumbent Territory where licensed: Withdrawn Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under Comcast Telecommunications, Inc.

Comcast Business Communications, LLC U-13161 2nd Expansion 5/14/2015 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: The following exchanges currently served by Verizon North Inc. & Ameritech Michigan: Algonac, Almont, Armada, Auburn Heights, Avoca, Belleville, Birmingham, Brown City, Capac, Carleton, Centerline, Clarkston, Clifford (Verizon North territory only), Columbiaville, Commerce, Detroit, Drayton Plains, Dryden, Dundee, Emmett, Erie, Farmington, Fenton, Flat Rock, Goodells, Holly, Ida, Imlay City, Jeddo, Lake Orion, Lapeer, Livonia, Lost Peninsula, Marine City, Marlette, (Verizon North Inc. territory only), Maybee, Mayville, (Verizon North territory only) Memphis, Metamora, Milan, Milford-White Lake, Monroe, Mount Clemens, New Baltimore, New Boston, New Haven, North Branch, North Sylvania, Northville, Ortonville, Oxford, Plymouth, Pontiac, Port Huron, Richmond, Rochester, Rockwood, Romeo, Romulus, Roseville, Royal Oak, Smiths Creek, South Lyon, Southfield, St. Clair, Temperance, Trenton, Troy, Utica, Walled Lake, Warren, Washington, Wayne, West Bloomfield, Willis, Wyandotte, Yale & Ypsilanti Additional License Info: Initial application filed 10/23/2001 Expansion order issued 2/25/2002

Comcast Business Communications, LLC U-11194 Surrender 5/14/2015 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: The following cities, villages, and townships (but only to the extent they are currently served by SBC Ameritech Michigan): Burton, Center Line, Clinton Township, Clio, East Pointe, city of Flint, Flint Twp., city of Fllushing, Flushing Twp. Fraser, Genesee Twp., city of Grand Blanc, Grand Blanc Twp., Grosse Pointe, Grosse Pointe Woods, Grosse Pointe, Shores, Grosse Pointe Farms, Grosse Pointe Park, Harper Woods, Holly Twp., village of Holly, Lake Angelus, Macomb Twp., Mount Clemens, city of Mount Morris, Mount Morris Twp., Mundy Twp., city of Pontiac, Ray Twp., Rose Twp., St. Clair Shores, Shelby Twp., South Rockwood, Sterling Heights, Swartz Creek, Utica, Vienna Twp., Warren & Waterford Twp. Additional License Info: Order issued under Comcast Telephony Communications of Michigan, Inc.

Initial application filed 9/10/1996 Order issued 12/20/1996

Comcast MH Telephony Communications U-12704 1st Expansion 2/22/2001 Accepted of Michigan, Inc. Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Filed to withdraw application for expansion of territory on 2/9/01

Comcast MH Telephony Communications U-11195 Surrender 6/6/2002 Accepted of Michigan, Inc. Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: The following cities and townships (but only to the extent that they are currently served by SBC Ameritech Michigan): Allen Park, Berlin Twp., Brownstown Twp., Detroit, Ecorse, Flat Rock, Garden City, Grosse Ile Twp., Inkster, Melvindale, River Rouge, Rockwood, Southgate & Taylor Additional License Info: Initial appl filed 9/10/96 & order granting appl issued 12/20/96.

Page 25 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Comcast Phone of Michigan, LLC, dba U-11090 Initial 9/12/1996 Approved AT&T MI, Frontier fka Comcast Digital Phone Application Verizon, CenturyTel, Geographic Area/Incumbent Territory where licensed: Frontier of MI ATT MI Frontier North Frontier Midstates CenturyTel Other: The following geographic areas: Ann Arbor (city and twp.), Barton Hills, Belleville, Blackman Twp., Brighton (city & twp.), Canton Twp., Dearborn Hts. Delhi Twp., Eaton Rapids (city & twp.), Genoa Twp., Green Oak Twp., Hamtramack, Hazel Park, Howell, Jackson, Keego Harbor, Lansing (city & twp.), Lathrup Village, Madison Hts., Northville (city & twp.), Oak Park, Oceola Twp., Orchard Lake, Pittsfield Twp., Plymouth (city & twp.), Romulus, Roseville, Royal Oak Twp., Scio Twp., Southfield Superior Twp., Sylvan Lake, Van Buren Twp., Webster Twp., West Bloomfield Twp., Westland & Ypsilanti (city & twp.) Additional License Info: Order issued under Continental Telecommunications of Michigan, Inc.

Comcast Phone of Michigan, LLC, dba U-11827 1st Expansion 12/21/1998 Approved AT&T MI, CenturyTel, Comcast Digital Phone Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include the following areas: Beverly Hills Village, Bingham Farms, Birmingham, Bloomfield Twp., Bloomfield Hills, Dearborn, Franklin Village, Roseville, Saline (city & twp.) & Wayne (city). Amended to remove the following areas: Blackman Twp., Delhi Twp., Eaton Rapids (city & twp.), Jackson (city), & Lansing (city & twp.) Additional License Info: Order issued under Media One Telecommunications of Michigan, Inc.

Comcast Phone of Michigan, LLC, dba U-13437 2nd Expansion 8/20/2002 Approved AT&T MI, CenturyTel, Comcast Digital Phone Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include the following areas: Village of Chelsea, village of Dexter, Lima & Sylvan Twps. Additional License Info:

Comcast Phone of Michigan, LLC, dba U-13520 3rd Expansion 11/25/2002 Approved AT&T MI, CenturyTel, Comcast Digital Phone Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include remaining contiguous municipalities for which Comcast currently has cable TV franchises. Additional License Info:

Comcast Phone of Michigan, LLC, dba U-14915 4th Expansion 8/22/2006 Approved AT&T MI, CenturyTel, Comcast Digital Phone TDS, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon, Frontier of MI, other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: Amend license to include 230 additional service areas as defined in Comcast's application. Additional License Info: Temporary licensed issued 7/25/06

Comcast Phone of Michigan, LLC, dba U-16110 5th Expansion 12/16/2009 Approved AT&T MI, CenturyTel, Comcast Digital Phone Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: The following municipalities: City of Bay City (Bay County), City of Benton Harbor (Berrien County), City of Charlevoix (Charlevoix County), Village of Dimondale (Eaton County), City of Farmington Hills (Oakland County), City of Kalamazoo (Kalamazoo County), City of Livonia (Wayne County), Redford Township (Wayne County), City of Rockford (Kent County), City of Saginaw (Saginaw County), City of Traverse City (Grand Traverse County), and City of Wyandotte (Wayne County). Additional License Info: Temporary license issued 10/29/09.

Page 26 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Comcast Phone of Michigan, LLC, dba U-17906 6th Expansion 10/7/2015 Approved Comcast Digital Phone Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Temporary license issued on 9/10/2015

Comlink, L.L.C. U-14041 Surrender 2/10/2017 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 2/23/04 Temporary license issued 3/16/04 Permanent license issued 6/3/04

Comm South Companies, Inc. U-12109 Surrender 12/20/2005 Accepted AT&T/Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon/Frontier of MI Application agreements no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 9/8/99, order granting appl issued 11/30/99

CommPartners, LLC U-15217 Surrender 2/8/2011 Approved None Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 6/26/07. Initial application filed 2/15/2007 and approved 7/26/2007.

Communication Lines Inc. U-15189 Initial 2/23/2012 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 1/17/2007 and issued 4/24/2007

Communications Venture Corporation, U-16397 Initial 9/28/2010 Approved None dba INdigital Telecom Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All exchanges throughout the state of Michigan. Additional License Info: Temporary license issued 8/10/10.

Page 27 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Comnet (USA) LLC U-13810 Initial 4/14/2016 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under CM Tel (USA) LLC.

Initial application filed 6/13/2003 Permanent license issued 9/11/2003

License revoked under Commission's Own Motion in Case No. U-18008

Computer Network Technology U-13992 Initial 6/29/2004 Accepted Corporation Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Filed to w/draw application 5/18/04

ComTech21, LLC U-13994 Initial 3/16/2004 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Comtel Telcom Assets LP, dba VarTec, U-14646 Surrender 11/4/2010 Accepted AT&T MI agreement no Excel Surrendered longer in effect Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary licensed issued 11/10/05. Original application filed 9/27/05. Order granting license issued 12/20/05.

Concentric Carrier Services, Inc. U-12262 Surrender 1/23/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application filed 12/29/99 and initial license approved 4/11/00,

Conversent Communications Resale U-15994 Surrender 4/23/2015 Accepted L.L.C., dba EarthLink Business Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 6/3/2009. Temporary license issued 7/1/09. Permanent license issued 8/11/2009

Page 28 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Cordia Communications Corp. U-13713 Surrender 1/26/2012 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 2/21/2003 License issued 5/28/2003

Corecomm Michigan, Inc. U-11284 Surrender 11/10/2005 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ada, Alto, Battle Creek, Benton Harbor, Byron Center, Caledonia, Dorr, Dutton, Flint, Grand Haven, Grand Rapids, Grattan, Holland, Hudsonville, Jamestown, Kalamazoo, Lansing, Lowell, Marne, Moline, New Buffalo, Port Huron, Richland, Rockford, Saginaw, Saranac, Sparta, St. Charles, St. Clair, St. Joseph, Three Oaks, Traverse City & Vicksburg served by AT&T MI Ameritech Michigan. Additional License Info: Order issued under USN Communications, Inc. 1st expansion filed 12/12/96, approved 2/5/97.

Corecomm Michigan, Inc. U-11508 Surrender 11/10/2005 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by AT&T MI Ameritech Michigan (in addition to U-11284 & U-11085) Additional License Info: Order issued under USN Communications Midwest, Inc. 2nd expansion filed 9/2/97, approved 11/7/97.

Corecomm Michigan, Inc. U-11873 Surrender 11/10/2005 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under CoreComm Michigan, Inc. Initial application - original appl filed 12/18/98, order issued 3/22/99

Corecomm Michigan, Inc. U-11085 Surrender 11/10/2005 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn Heights, Belleville, Birmingham, Carleton, Centerline, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Flat Rock, Holly, Lake Orion, Livonia, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Oxford, Plymouth, Pontiac, Rochester, Rockewood, Romeo, Romulus, Roseville, Royal Oak, Southfield, South Lyon, Trenton, Troy, Walled Lake, Warren, Washington, Wayne, West Bloomfield, Willis, Wyandotte, Utica & Ypsilanti served by SBC Ameritech Michigan Additional License Info: Order issued under USN Communications, Inc. Corecomm acquired USN. Original appl. Filed 4/26/96, order issued 8/22/96

Page 29 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Corvus, Inc. U-12716 Surrender 12/4/2008 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Filed initial license application on 11/17/00. Commission approved license application on 3/7/01.

Cost Plus Communications, LLC U-14931 Initial 4/14/2016 Revoked Frontier fka Verizon Application Only, AT&T MI Geographic Area/Incumbent Territory where licensed: agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 6/27/06 Temporary license issued 10/12/06 Permanent license issued 11/9/06

License revoked under Commission's Own Motion in U-18008

Covista, Inc. U-13786 Surrender 9/10/2013 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 5/6/03 Permanent license issued 7/23/03

Crexendo Business Solutions, Inc. U-16389 Initial 9/28/2010 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 7/27/10.

Crystal Automation Systems, Inc. dba U-16812 Initial 10/4/2011 Approved Frontier fka Verizon Casair, Inc. Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All incumbent local exchange carriers’ service territories throughout the state of Michigan. Additional License Info: Temporary license issued 8/25/2011 Filed license surrender request 12/17/20. Requested withdrawal of surrender 1/29/21. Order issued granted withdrawal request 2/18/21.

CTC Communications Corp., dba U-15995 Surrender 4/28/2017 Accepted Earthlink Business I Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 6/3/09 Temporary license issued 7/1/09. Permanent license issued 8/11/09

Page 30 Company Name Case No. App Type Order Date Decision Interconnection Tariff

CTSI U-12254 Surrender 1/23/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 12/22/99, order approving appl issued 3/14/00.

CynergyComm.Net, Inc. U-12928 Surrender 5/26/2021 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under United Telecom, Inc.

Initial application filed on 4/24/01 and approved on 8/16/01

Cypress Communications Operating U-13508 Surrender 12/18/2014 Approved None Company, LLC Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 8/14/2002 Permanent license issued 11/7/2002

Cypress Telecommunications U-11248 Initial 12/1/2009 Revoked None Corporation, d/b/a Cytel Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn Heights, Belleville, Birmingham, Carleton, Centerline, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Flat Rock, Holly, Lake Orion, Livonia, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Oxford, Plymouth, Pontiac, Rochester, Rockewood, Romeo, Romulus, Roseville, Royal Oak, Southfield, South Lyon, Trenton, Troy, Walled Lake, Warren, Washington, Wayne, West Bloomfield, Willis, Wyandotte, Utica & Ypsilanti served by SBC Ameritech Michigan Additional License Info: Original application filed 11/8/96. Order granting application issued 2/5/97. License revoked through Commission's Own Motion Order in Case No. U-16072.

DayStarr, LLC, d/b/a DayStarr U-13613 Initial 3/12/2003 Approved AT&T MI, Frontier fka Communications Application Verizon, CenturyTel, TDS Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Owosso, South Haven & Bath served by Verizon & Flushing exchange served by SBC Additional License Info: Temporary license issued 1/21/03.

DayStarr, LLC, d/b/a DayStarr U-13782 1st Expansion 7/8/2003 Approved AT&T MI, Frontier fka Communications Verizon, CenturyTel, TDS Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include the Saginaw 344 LATA. Additional License Info:

Page 31 Company Name Case No. App Type Order Date Decision Interconnection Tariff

DayStarr, LLC, d/b/a DayStarr U-13993 2nd Expansion 3/16/2004 Approved AT&T MI, Frontier fka Communications Verizon, CenturyTel, TDS Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include all zone and exchange areas in the state of Michigan. Additional License Info: Tariff revision filed 10/1/09 for licensed territory. dishNET Wireline L.L.C. U-16868 Initial 3/8/2012 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan except in the zones and exchange areas served by Frontier North, Inc. Frontier Midstates, Inc. and Frontier Communications of Michigan, Inc. Additional License Info: Temporary license issued 1/12/2012 License issued under Liberty Bell Telecom, L.L.C dba Dish Network Phone & Internet

DMCI Broadband, LLC U-21115 Initial Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the State of MI Additional License Info:

Drenthe Telecom LLC U-16236 Initial 4/14/2016 Revoked Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: The exchanges of Drenthe, served by Drenthe Telephone Company as well as the exchanges of Holland, Zeeland, Hudsonville and Jamestown served by AT&T Michigan, the Hamilton exchange served by Verizon North, Inc. and the Borculo exchange served by CenturyTel Midwest --Michigan, Inc., dba CenturyLink. Additional License Info: Original application filed 3/8/10 Temporary license issued 4/13/10 Permanent license issued 6/3/10

License revoked under Commission's Own Motion in U-18008

Drenthe Telephone Company U-13504 Surrender 7/13/2012 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Holland, Zeeland, Hudsonville, & Jamestown served by SBC Ameritech Michigan, the Hamilton exchange served by Verizon North & the Borculo exchange served by CenturyTel Additional License Info: License Filed 8/19/2002 and Approved 11/7/2002

DSLNet Communications, LLC U-11950 Surrender 4/17/2012 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application filed 4/22/99 Permanent license approved 6/30/99

Page 32 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Dynalink Communications, Inc. U-16002 Surrender 1/19/2016 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original case filed 6/11/09 Temporary license issued 8/25/09 Permanent license issued 9/29/2009

Eagle Communications, Inc. U-11990 Surrender 7/11/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 5/21/99, order granting appl issued 8/17/99

EagleNet, Inc. U-12575 Initial 10/24/2000 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech Michigan, Verizon North & Verizon North Systems in the Grand Rapids LATA Additional License Info:

EagleNet, Inc. U-14894 1st Expansion 8/22/2006 Approved AT&T MI Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All exchanges and zones throughout Michigan. Additional License Info: Tempory license order initially issued 6/27/06. Amendatory order issued 6/29/06.

Easton Telecom Services, L.L.C. U-11441 Initial 10/15/1997 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn Heights, Belleville, Birmingham, Carleton, Centerline, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Flat Rock, Holly, Kalamazoo, Lake Orion, Livonia, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Oxford, Plymouth, Pontiac, Rochester, Rockwood, Romeo, Romulus, Roseville, Royal Oak, Southfield, South Lyon, Trenton, Troy, Walled Lake, Warren, Washington, Wayne, West Bloomfield, Willis, Wyandotte, Utica & Ypsilanti served by SBC Ameritech Additional License Info:

ElPaso Networks, LLC. U-12860 Initial 7/11/2001 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application filed 3/16/01

Page 33 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Emergent Communications, LLC U-12924 Surrender 12/21/2004 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 4/19/01, order granting appl issued 7/11/01. Customers will be transferred to Emergent's parent co., New Access, tariff will be grandfathered.

Empire One Telecommunications, Inc. U-14364 Initial 2/23/2012 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 12/1/2004 and granted 5/17/2005. License revoked through Commission's Own Motion Order in Case No. U-16895.

Enkido, Inc. U-12920 Surrender 3/14/2006 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: original appl filed 4/18/01, order granting appl issued 8/16/01

Entelegent Solutions, Inc. U-15933 Initial 7/1/2009 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued on 5/26/2009

Ernest Communications, Inc. U-12993 Initial 4/14/2016 Revoked AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 6/26/2001 Permanent license issued 11/20/2001

License revoked under Commission's Own Motion in Case No. U-18008 essential.com, Inc. U-12274 Surrender 9/30/2003 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 1/11/00, order granting appl issued 4/11/00.

Page 34 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Everest Connections Corporation U-12503 Surrender 6/16/2003 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 6/26/00, order granting appl issued 10/6/00.

Everstream GLC Holding Company LLC U-18045 Initial 6/9/2016 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 4/14/16

Everycall Communications, Inc., dba All U-15463 Surrender 4/1/2014 Accepted AT&T MI agreement no American Home Phone, dba Local USA Surrendered longer in effect Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 11/9/2007 License issued 4/22/2008 eVoice Telecom, Inc. U-12832 Surrender 8/16/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 2/15/01, order granting appl issued 6/5/01. eVulkan, Inc., d/b/a beMANY! U-12775 Surrender 2/1/2002 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 1/2/01, order granting appl dated 4/17/01

Excel Telecommunications, Inc. U-11949 Surrender 8/22/2006 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Tariff on file for SBC Intial appl filed 4/2/99, order granting appl issued 6/30/99

Page 35 Company Name Case No. App Type Order Date Decision Interconnection Tariff

EZPhone, Inc. U-12788 Initial 9/11/2007 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 1/12/01. Order approving appl issued 6/5/01. License revoked through Commission's Own Motion in Case No. U-15237.

FairPoint Carrier Services, Inc. U-12589 Surrender 9/13/2011 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 9/1/00. License issued under FairPoint Communications Solutions Corp. License issued 1/4/2001

FiberNet of Michigan, L.L.C. U-11977 Surrender 7/1/2009 Approved None Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: SBC Ameritech exchanges of Ann Arbor, Brighton, Fenton, Grand Blanc, Howell, Lapeer, Plymouth, Whitmore Lake, Ypsilanti, selected zones of the Detroit District Exchange: Birmingham, Farmington, Royal Oak, Southfield, West Bloomfield, & selected zones of the Pontiac District Exchange: Auburn Heights, Lake Orion, Pontiac, Rochester & Walled Lake Additional License Info: Initial application filed 5/4/1999 Order granting permanent license issued on 8/17/1999

First Communications, LLC U-13435 Initial 10/3/2002 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Tariff on file for SBC territory

Focal Communications Corporation of U-12037 Surrender 10/18/2005 Accepted AT&T MI Michigan Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: expansion filed 7/6/99, order granting expansion issued 9/28/99

Focal Communications Corporation of U-11715 Surrender 10/18/2005 Accepted AT&T MI Michigan Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Company initially filed to serve both SBC Ameritech and GTE North, but withdrew from GTE North.

Initial application filed 6/22/98, order granting appl. issued 9/23/98

Page 36 Company Name Case No. App Type Order Date Decision Interconnection Tariff

France Telecom Corporate Solutions U-13746 Initial 7/8/2003 Approved Frontier fka Verizon L.L.C. Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Frontier Communications of America, Inc. U-12553 Surrender 5/28/2003 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 7/19/00, order issued 11/20/00

Frontier Communications of America, Inc. U-15093 Initial 1/30/2007 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Zone and exchange areas served by AT&T Michigan, Verizon North Inc. Verizon North Systems and Frontier Communications of Michigan. Additional License Info: temporary license issued 12/21/06

Frontier Communications of America, Inc. U-20050 1st Expansion 5/30/2018 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All the exchange areas in the State of Michigan served by CenturyLink (“Century”) companies, including CenturyTel Midwest – Michigan, Inc. d/b/a CenturyLink, CenturyTel of Michigan, Inc. d/b/a CenturyLink, CenturyTel of Northern Michigan, Inc. d/b/a CenturyLink and CenturyTel of Upper Michigan, Inc. d/b/a CenturyLink, and all exchange areas served by independent incumbent local exchange carriers (“RLECs”) companies, including Ace Telephone Company of Michigan, Inc., d/b/a AcenTek, Baraga Telephone Company, Barry County Telephone Company, Blanchard Telephone Co., Bloomingdale Telephone Company, Inc., Carr Telephone Company, Hiawatha Telephone Company, Kaleva Telephone Company, Lennon Telephone Company, Michigan Central Broadband Company, LLC, Midway Telephone Company, Ontonagon County Telephone Company, Pigeon Telephone Company, Sand Creek Telephone Company, Springport Telephone Company, The Deerfield Farmers Telephone Company, Upper Peninsula Telephone Company, Waldron Telephone Company and Winn Telephone Company d/b/a Winn Telecom. Additional License Info: Temporary license issued 4/12/2018

Frontier Communications of Michigan, U-13296 Initial 3/29/2002 Approved None Inc. Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Include a portion of Addison exchange served by Verizon North Systems Additional License Info: Tariff revision filed for U-13296 territory.

Frontier Midstates Inc. U-13055 Initial 9/27/2001 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Extension of boundary of Fitchburg exchange to include portion of SBC Ameritech Michigan's Leslie exchange. Additional License Info: Tariff for U-13055 expansion not on file, original territory only.

Page 37 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Fusion Communications, LLC f/k/a U-14165 Initial 10/14/2004 Approved AT&T MI Cbeyond Communications, LLC Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Fusion, LLC f/k/a Network Billing U-18469 Initial 2/22/2018 Approved Systems L.L.C. d/b/a Fusion d/b/a Solex Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 1/23/2018

Future-Com, Inc. U-17503 Initial 12/6/2013 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

GC Pivotal, LLC U-16559 Initial 5/26/2011 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary License approved 4/26/2011

Global Capacity Group, Inc. U-15379 Surrender 9/13/2011 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 8/27/07 Temporary license issued 10/25/07 Permanent license issued on 11/8/07

Global Communications Network, Inc. U-15103 Initial 3/4/2021 Approved AT&T MI, CenturyTel, Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 10/16/06.Temporary license issued 12/12/06. Permanent license issued 1/30/07. License revoked via COM docket no. U-20892. License issued under Business Communication Analysts, Inc.

Page 38 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Global Connection Inc. of America U-13802 Surrender 7/23/2020 Accepted AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Surrendered Frontier fka Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan in the zone and exchange areas served by Verizon North Inc. and Contel of the South, Inc., d/b/a Verizon North Systems, CenturyTel of Upper Michigan, Inc., CenturyTel of Northern Michigan, Inc., CenturyTel Midwest-Michigan, Inc., CenturyTel of Michigan, Inc., and SBC Ameritech Michigan. Additional License Info: Initial application filed 6/6/03. Commission order for license granted on 8/26/03

Global Crossing Local Services, Inc. U-16437 Initial 11/19/2010 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 9/28/2010

Global Crossing Telemanagement, Inc. U-11352 Surrender 2/22/2011 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under Frontier Telemanagement. Original application filed 3/21/97. Order granting license issued 7/10/97

Global Teldata II, LLC U-13957 Initial 2/23/2012 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed on 11/21/2003 and granted on 3/16/2004. License revoked through Commission's Own Motion Order in Case No. U-16895.

Global TeleLink Services, Inc. U-12701 Surrender 4/28/2005 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original appl filed 11/3/00, order issued 2/6/01.

Globalcom Inc., dba First U-13242 Surrender 10/4/2013 Accepted None Communications of Illinois Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 12/27/2001 Permanent license received 2/25/2002

Page 39 Company Name Case No. App Type Order Date Decision Interconnection Tariff

GlobalCom LLC U-13596 Initial 1/21/2003 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Globetel, Inc. U-15068 Initial 12/1/2009 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: temporary license issued 12/12/06 Original application filed 9/20/06. Order granting application issued 1/30/07. License revoked through Commission's Own Motion Order in Case No. U-16072.

Granite Telecommunications, LLC U-13870 Initial 11/25/2003 Approved AT&T MI, CenturyTel, Application Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Granite Telecommunications, LLC U-15968 1st Expansion 7/16/2009 Approved AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Frontier fka Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Zones and exchanges in which CenturyTel and Frontier Communications are the incumbent carriers. Additional License Info:

Great Lakes Comnet, Inc. U-11305 Surrender 5/28/2003 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Avoca, Bancroft, Capac, Durand, Emmett, Fowler-Pewamo, Gaines, Goodells, Jeddo, Memphis, Mt. Pleasant, Richmond, Shephard, Smiths Creek, St. Johns, Swartz Creek, Weidman & Yale exchanges served by Verizon North & Algonac, Iron Mountain, Marine City, New Baltimore, Norway, Port Huron, & St. Clair exchanges served by SBC Ameritech Additional License Info: Initial appl filed 2/13/97, order granting license issued 5/22/97.

Page 40 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Great Lakes Energy Connections, Inc. U-20256 Initial 11/8/2018 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: In the following exchanges: Alanson, Alba, Alden, Allegan, Allendale, Amble, Atlanta, Baldwin, Banfield, Barryton, Beaverton, Bellaire, Big Rapids, Blanchard, Borculo, Boyne City, Boyne Falls, Brutus, Caledonia, Carr, Casnovia, Cedar Springs, Central Lake, Charlevoix, Chester, Chippewa Lake, Clam River, Conklin, Coopersville, Coral, Delton, Dorr, Drenthe, East Jordan, Eastport, Edmore, Elk Rapids, Ellsworth, Elmira, Evart, Farwell, Fife Lake, Fountain, Freeport, Freesoil, Fremont, Gaylord (Waters), Gladwin, Grant, Grayling, Greenville, Hamilton, Harbor Springs, Harrison, Hart, Hastings, Hesperia, Hickory Corners, Higgins Lake, Holton, Hopkins, Howard City, Hoxeyville, Indian River, Irons, Kalkaska, Kingsley, Lake of the North, Lakeview, Le Roy, Levering, Lewiston, Ludington, Luther, Mackinaw City, Mancelona, Manistee, Manistee River, Marion, Marne, McBride, Mecosta, Merritt, Middleville, Mio, Moline, Moorestown, Morley, Newaygo, Pellston, Pentwater, Petoskey, Pine Lake, Plainwell, Ravenna, Reed City, Remus, Roscommon, Sand Lake, Scottville, Shelby, Six Lakes, South Boardman, Sparta, St. James, Stanwood, Torch River Bridge, Trufant, Tustin, Vanderbilt, Walled Lake, Walloon Lake, Wayland, Wellston, White Cloud, Whitehall, Wolverine Additional License Info: Temporary license issued 8/28/2018

Grid 4 Communications, Inc. U-13194 Initial 2/25/2002 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Group Long Distance, Inc. U-11738 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 7/21/98. Order granting application issued 10/12/98. License revoked through Commission's Own Motion Order in Case No. U-16072.

GTEL Communications LLC U-12030 Surrender 5/15/2001 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Select exchanges served by SBC Ameritech Additional License Info: Initial application filed on 6/30/99, approved by Commission Order 9/28/99.

GTEL Communications LLC U-12536 1st Expansion 5/15/2001 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: 1st expan. appl filed 7/27/00, order approving expan. issued 11/20/00.

Page 41 Company Name Case No. App Type Order Date Decision Interconnection Tariff

GVC Networks, LLC U-13828 Initial 2/23/2012 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 7/23/03. Initial application filed on 7/3/2003 and granted on 9/30/2003. License revoked through Commission's Own Motion Order in Case No. U-16895.

Hiawatha Telephone Company U-17706 1st Expansion 10/7/2014 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Expanding the geographic area of its license to add the Brimley exchange that is currently served by its affiliate, Chippewa County Telephone Company. Additional License Info:

High Speed Connect Michigan LLC U-20662 Initial 4/15/2020 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Thoughout the state of Michigan Additional License Info: Temporary license issued 2/6/20.

Hillsdale, City of, Advanced U-12484 Initial 4/14/2016 Revoked None Communications Utility Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Hillsdale & Jonesville exchanges served by SBC Ameritech Additional License Info: Initial application filed 6/19/2000 Permanent license issued 11/20/2000

License revoked through Commission's Own Motion Order in Case No. U-18008.

Horizon Telecommunications, Inc. U-12350 1st Expansion 6/19/2000 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Selected exchanges served by SBC Ameritech & Verizon North Additional License Info:

Horizon Telecommunications, Inc. U-12156 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Selected MI exchanges served by SBC Ameritech & Verizon North in the lower peninsula Additional License Info: Original application filed 10/8/99. Order granting application issued 1/10/00. License revoked through Commission's Own Motion Order in Case No. U-16072.

Page 42 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Huron Mountain Communications Co. U-15548 Surrender 1/21/2021 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Request to serve a previously unserved territory in the Upper Peninsula titled the Huron Exchange. Additional License Info: Temporary license issued 7/1/2008 Initial application filed 4/22/08. Order granting license issued 7/29/08.

IBC Telecom Corp. U-16391 Initial 4/14/2016 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 6/16/10 Temporary license issued 8/10/10 Permanent license issued 9/28/10 Tariff for AT&T territory

License revoked under Commission's Own Motion in U-18008

IBFA Acquisition Company, LLC, dba The U-14479 Initial 4/14/2016 Revoked AT&T MI agreement no Farm Bureau Connection, Country Application longer in effect Connect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 4/4/05 Temporary license issued 6/7/05 Permanent license issued 8/4/05

License revoked under Commission's Own Motion in U-18008

ICG Telecom Group, Inc. U-13583 Surrender 5/25/2006 Accepted AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Surrendered Frontier fka Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include all incumbents within the state of Michigan. Additional License Info: 1st expansion filed 10/16/02, order approving expansion issued 1/13/03.

ICG Telecom Group, Inc. U-12289 Surrender 5/25/2006 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: initial appl filed 1/18/00, order approving appl issued 4/24/00

IDT America, Corp. U-13668 Initial 5/2/2003 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 43 Company Name Case No. App Type Order Date Decision Interconnection Tariff

IG2, Inc. U-11972 Initial 12/1/2009 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 4/28/99. Order granting application issued 8/17/99. License revoked through Commission's Own Motion Order in Case No. U-16072.

Image Paging of Michigan, Inc. U-11348 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Detroit, Southfield, & Royal Oak served by SBC Ameritech Additional License Info: Initial application filed 3/17/97. Order approving appl issued 6/25/97. License revoked through Commission's Own Motion in Case No. U-15237. inContact, Inc. U-14432 Initial 5/17/2005 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license was issued 3/29/05. License issued under UCN, Inc. iNetworks Group, Inc. U-15798 Surrender 2/11/2016 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Only, AT&T MI Application agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Original case filed 2/20/09 Temporary license issued 4/16/09. Permanent license issued 4/30/09

Infotelecom, LLC U-14433 Initial 4/14/2016 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 2/15/2005 Permanent license issued 5/17/2005

License revoked under Commission's Own Motion in U-18008

Intellifiber Networks, LLC U-13021 Initial 11/20/2001 Approved AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under Dominion Telecom, Inc.

Page 44 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Interaccess Telecommunications Co. U-11945 Surrender 1/23/2001 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges served by SBC Ameritech in the Detroit LATA Additional License Info: Initial appl filed 3/24/99, order granting license issued 6/30/99

Interaccess Telecommunications Co. U-12059 1st Expansion 1/23/2001 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: 1st expansion filed 8/2/99, order granting expansion issued 10/13/99

InteraTel, LLC U-15231 Initial 5/22/2007 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Intrado Communications, LLC f.k.a. West U-12969 Initial 9/27/2001 Approved AT&T MI, Frontier fka Telecom Services, LLC Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under KMC Data LLC, also fka Hypercube Telecom LLC.

Intrado Safety Communicatios, Inc. f/k/a U-12705 Initial 4/17/2001 Approved None West Safety Communications Inc. Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zone and exchange areas throughout the state of Michigan Additional License Info: Order issued under SCC Communications Corp.

IP Communications Corporation U-12411 Surrender 1/21/2003 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 4/27/00, order issued 8/31/00

IP Voice Communications, Inc. U-12556 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 8/14/00. Order granting application issued 11/20/00. License revoked through Commission's Own Motion Order in Case No. U-16072.

Page 45 Company Name Case No. App Type Order Date Decision Interconnection Tariff

IQ Telecom, Inc. U-16507 Initial 3/9/2021 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 11/18/10. Temporary License approved 1/20/2011. Permanent license issued 3/17/11. License revoked via COM docket no. U-20892.

ITELECOM, Inc. dba Advent Telecom U-13525 Initial 12/6/2002 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Tariff has SBC territory License issued under Net Express, Inc d/b/a Advent Telecom

JAS Networks, Inc. U-11783 Initial 1/6/1999 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Albion, Battle Creek, Jackson, Kalamazoo, Marshall, Otsego, Plainwell & Vicksburg exchanges of SBC Ameritech & Fruitport, Muskegon exchanges of Verizon North Additional License Info:

JAS Networks, Inc. U-13179 1st Expansion 2/1/2002 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC, Verizon North, and Contel of the South, Inc., d/b/a Verizon North Systems in the lower peninsula. Additional License Info:

JATO Operating Two Corp. U-12029 Initial 9/11/2007 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/27/99. Order approving appl issued 10/13/99. License revoked through Commission's Own Motion in Case No. U-15237.

Joy Lines, Inc. U-13057 Initial 9/11/2007 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 8/17/01. Order approving appl issued 11/20/01. License revoked through Commission's Own Motion in Case No. U-15237.

Jupiter Networks, Inc. U-17618 Initial 6/19/2014 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 46 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Kaleva Telephone Company U-15294 Initial 7/26/2007 Approved AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: tariff for original territory

KEPS Technologies, Inc., d/b/a ACD.Net U-17703 Initial 1/27/2015 Approved AT&T MI and ACD Telecom, Inc. Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones and exchange areas served by incumbent local exchange carriers in the state of Michigan. Additional License Info:

KMC Telecom II, Inc. U-11295 Surrender 12/20/2005 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: order issued under KMC Telecom Inc. Initial appl filed 12/27/96, order granting appl issued 4/4/97

KMC Telecom III LLC U-11930 Surrender 12/20/2005 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 3/11/99, order granting appl issued 5/27/99.

KMC Telecom V, Inc. U-12456 Surrender 4/13/2006 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Only, AT&T MI Application agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 5/30/00, order issued 11/2/00.

LakeNet LLC U-20961 Initial 5/26/2021 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Temporary Issued on 4/8/21

LDMI Telecommunications, LLC U-11510 Initial 12/12/1997 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 47 Company Name Case No. App Type Order Date Decision Interconnection Tariff

LDMI Telecommunications, LLC U-12544 1st Expansion 11/2/2000 Approved None Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Lennon Telephone Company U-11433 Initial 7/31/1997 Approved Frontier fka Verizon Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Portions of Verizon North exchanges of Durand, Gaines, Owosso & Swartz Creek & CenturyTel Midwest's New Lothrup exchange. Additional License Info:

Lennon Telephone Company U-12275 Amendment 6/5/2000 Approved Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amendment to U-11433 adding Durand, Gaines & Swartz Creek exchanges & return of boundaries of Lennon exchange prior to U-11433 Additional License Info: Tariff revision filed for U-12275 territory.

Lennon Telephone Company U-17736 1st Expansion 1/13/2015 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Expanding the geographic scope of its license to provide basic local exchange service to include the New Lothrop exchange of CenturyTel Midwest-Michigan, Inc. d/b/a CenturyLink Additional License Info: Temporary license issued 11/6/14

Level 3 Communications, LLC U-11640 Initial 5/11/1998 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Level 3 Communications, LLC U-18442 1st Expansion 10/31/2017 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Frontier Midstates and the CenturyLink companies, including CenturyTel Midwest -- Michigan, Inc., CenturyTel of Michigan, Inc., CenturyTel of Northern Michigan, Inc., and CenturyTel of Upper Michigan, Inc. Additional License Info: Temporary license issued 9/15/2017. Tariff filed for Frontier Midstates

Level 3 Communications, LLC U-20061 2nd Expansion 4/12/2018 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones and exchanges throughout the state of Michigan. Additional License Info: Temporary license issued 2/22/2018. Tariff filed for Upper Peninsula Telephone Company

Page 48 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Level 3 Telecom Data Services, LLC fka U-16240 Initial 6/24/2010 Approved None tw telecom data services llc Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 6/3/10.

Lifeconnex Telecom, LLC U-16106 Initial Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application initially filed in U-16106 on 9/23/09. Request to withdraw filed 12/4/09. Case closed administratively without order 1/29/10.

Lifeconnex Telecom, LLC U-16195 Surrender 5/24/2012 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 1/28/2010. Temporary license issued 3/18/10. Permanent license issued 4/27/10

Lightbonding.com Inc. U-12735 Surrender 7/11/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 12/1/00 and order approving appl issued 3/7/01

LightSource Telecom 1, LLC U-12720 Initial 12/20/2000 Accepted None Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issed under Dynamic Telcom Engineering I, L.L.C Appl filed 11/17/00.

LightSource Telecom 1, LLC U-12753 Surrender 2/1/2002 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issed under Dynamic Telcom Engineering I, L.L.C. 2nd appl filed 12/8/00, that order issued 3/29/01.

Lightyear Network Solutions, LLC U-12806 1st Expansion 12/19/2013 Approved None Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: 1st expansion application filed 1/3/01, approved 4/17/01.

Page 49 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Lightyear Network Solutions, LLC U-11705 Surrender 12/19/2013 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application included GTE North, but that portion of the application was withdrawn. Also has facility based IXC tariff on file. Initial application filed 6/3/1998 and approved 9/11/1998.

Lingo Telecom of the Great Lakes, LLC U-12426 Surrender 1/21/2021 Approved AT&T MI, Frontier fka f/k/a Birch Telecom of the Great Lakes, Verizon LLC d/b/a Birch Communications Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application filed on 5/12/00, approved on 8/31/20

Liquid Web, LLC U-15961 Initial 7/16/2009 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: temporary license issued 5/26/09.

Local Access LLC U-17456 Surrender 2/6/2020 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan in the zones and exchanges served by Frontier North, Inc., Frontier Midstates Inc., and AT&T Michigan. Additional License Info: Temporary license issued 12/6/2013 Initial application filed 8/7/2013. Order issued 1/23/14

Looking Glass Networks, Inc. U-12577 Initial 11/8/2000 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Appl filed 8/18/00.

Lucre, Inc. U-11828 Initial 3/4/2021 Revoked AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Holland, Zeeland, Kent City & all zones of the Grand Rapids district exchange served by SBC Ameritech Additional License Info: Original application filed 11/4/98. Commission order approving application issued 2/9/99. License revoked via COM docket no. U-20892.

Page 50 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Lucre, Inc. U-12112 1st Expansion 3/4/2021 Revoked AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 9/8/99. Order approving application issued 10/28/99. License revoked via COM docket no. U-20892.

Lynx Network Group, Inc. U-16282 Initial 9/14/2010 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 8/10/10. Original license issued under Lynx Network Group, LLC

Mabel Communications, Inc. U-13672 Initial 12/1/2009 Revoked Frontier fka Verizon Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 12/30/02. Order granting application issued 5/2/03. License revoked through Commission's Own Motion Order in Case No. U-16072.

Magna5 LLC U-20573 Initial 8/20/2019 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 7/18/19.

MAP Telecom, LLC U-15982 Surrender 10/26/2010 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All incumbent local exchange carrier territories throughout the State of Michigan. Additional License Info: 8/25/2009 -- Temporary License Issued Tariff for AT&T and Verizon exchanges. Original application filed 5/29/09. Order granting permanent license issued 10/13/09.

Markur Communications, LLC U-15435 Initial 2/12/2008 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Filed to withdraw 1/24/08.

Page 51 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Markur Communications, LLC U-15435 Surrender 2/11/2016 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: provide basic local exchange service throughout the state of Michigan, including the zone and exchange areas served by AT&T Michigan, Verizon North Incorporated, Contel of the South, Inc., d/b/a Verizon North Systems. Additional License Info: Original case filed 3/20/08; 2nd application after withdrawing Temporary license issued 4/22/08. Permanent license issued 8/12/08

MassComm, Inc. U-15792 Initial 5/12/2009 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 4/16/09 Tariff for AT&T exchanges

Matrix Telecom, LLC., dba Lingo U-14470 Initial 9/20/2005 Approved Frontier fka Verizon Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temp. license issued 8/16/05

Maverix.net, Inc. U-12455 Initial 9/11/2007 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Certain exchanges throughout the state of Michigan served by SBC Ameritech & Verizon North, primarily in or near the counties of Saginaw, Clinton, Ingham, Eaton, Kent, Ottawa, Kalamazoo & Genesee Additional License Info: Initial application filed 5/30/00. Order approving appl issued 9/18/00. License revoked through Commission's Own Motion in Case No. U-15237.

Maxcess, Inc. U-12374 Surrender 4/3/2008 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 4/12/00, order granting license issued 7/6/00.

Max-Tel Communications, Inc. U-13443 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 6/13/02. Order approving appl issued 8/20/02. License revoked through Commission's Own Motion in Case No. U-15237.

Page 52 Company Name Case No. App Type Order Date Decision Interconnection Tariff

MCC Telephony of the Midwest, LLC U-18365 Initial 7/31/2017 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 6/15/2017

MCImetro Access Transmission Services U-10555 Initial 10/12/1994 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Application Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Grand Rapids exchanges served by Ameritech MI Additional License Info: Brooks Fiber Communications of Michigan, Inc. merged into MCImetro. License originally issued under City Signal, Inc., name changed to Brooks.

MCImetro Access Transmission Services U-10610 Initial 3/29/1995 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Application Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Auburn Heights, Birmingham, Centerline, Detroit, Farmington, Livonia, Mt. Clemens, Mayfair, Northville, Plymouth, Pontiac, Rochester, Roseville, Royal Oak, Southfield, Troy, Utica, Warren & Wayne served by SBC Ameritech Additional License Info: Order issued under MCImetro Access

MCImetro Access Transmission Services U-10721 Initial 5/9/1995 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Application Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Auburn Heights, Belleville, Birmingham, Centerline, Detroit, Farmington, Livonia, Northville, Plymouth, Pontiac, Romulus, Royal Oak, Southfield, Troy, Walled Lake, Warren, Wayne, West Bloomfield, Wyandotte & Yspilanti served by SBC Ameritech Additional License Info: local operations and licenses of MCI WorldCom Communications, Inc. merged into MCImetro. License was originally issued under MFS Intelenet, Inc., name change to WorldCom Technologies, Inc, then changed to MCIWorldCom Communications, Inc.

MCImetro Access Transmission Services U-10884 1st Expansion 8/29/1995 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Traverse City, Holland & Zeeland exchanges served by SBC Ameritech MI Additional License Info: Brooks Fiber Communications of Michigan, Inc. merged into MCImetro. License originally issued under City Signal, Inc., name changed to Brooks.

Page 53 Company Name Case No. App Type Order Date Decision Interconnection Tariff

MCImetro Access Transmission Services U-11095 2nd Expansion 8/1/1996 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Lansing & Ann Arbor exchanges served by SBC Ameritech MI Additional License Info: Brooks Fiber Communications of Michigan, Inc. merged into MCImetro. License originally issued under Brooks.

MCImetro Access Transmission Services U-11160 1st Expansion 11/14/1996 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: local operations and licenses of MCI WorldCom Communications, Inc. merged into MCImetro. Local operations and licenses of MCI WorldCom Communications, Inc. merged into MCImetro. License was originally issued under MFS Intelenet, Inc., name change to WorldCom Technologies, Inc, then changed to MCIWorldCom.

MCImetro Access Transmission Services U-11345 1st Expansion 6/5/1997 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order under MCImetro Access

MCImetro Access Transmission Services U-13827 3rd Expansion 9/11/2003 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All incumbent local exchange carriers in the Grand Rapids and Saginaw LATAs. Additional License Info: Brooks Fiber Communications of Michigan, Inc. merged into MCImetro. License issued under Brooks.

MCImetro Access Transmission Services U-13955 2nd Expansion 2/12/2004 Approved AT&T MI, Frontier fka LLC d/b/a Verizon Access Transmission Verizon Services Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All exchanges currently served by all incumbent local exchange carriers in the Grand Rapids LATA (LATA 348) and the Saginaw LATA (LATA 344) and all exchanges served by Verizon North Systems Additional License Info: Order under MCImetro Access Tariff revision filed for Verizon North Systems territory

McLeodUSA Telecommunications U-11139 Initial 10/24/1996 Approved AT&T MI, Frontier fka Services, L.L.C. Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Bay City, Clio, Mt. Morris, Fenton, Flint, Flushing, Grand Blanc, Midland & Saginaw served by SBC Ameritech Additional License Info: U-11139 issued under BRE Communications, Inc., dba Phone Michigan

Page 54 Company Name Case No. App Type Order Date Decision Interconnection Tariff

McLeodUSA Telecommunications U-11311 Initial 5/7/1997 Approved AT&T MI, Frontier fka Services, L.L.C. Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchange areas of Ann Arbor, Battle Creek, Bay City, Escanaba, Flint, Grand Rapids, Kalamazoo, Lansing, Marquette, Midland, Pontiac, Port Huron & Saginaw served by SBC Ameritech Additional License Info: U-11311 issued under The Millenium Group Telemanagement L.L.C.

McLeodUSA Telecommunications U-11436 1st Expansion 8/13/1997 Approved AT&T MI, Frontier fka Services, L.L.C. Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech & Verizon North in the lower peninsula Additional License Info: U-11436 issued under BRE Communications, L.L.C., dba Phone Michigan

MediaGate Communications, Inc. U-12870 Initial 4/14/2016 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 3/16/2001 Permanent license issued 7/11/2001

License revoked under Commission's Own Motion in Case No. U-18008

MegaPath Corporation U-11787 Surrender 2/12/2015 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn Heights, Belleville, Birmingham, Carleton, Centerline, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Flat Rock, Holly, Lake Orion, Livonia, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Oxford, Plymouth, Pontiac, Rochester, Rockwood, Romeo, Romulus, Roseville, Royal Oak, Southfield, South Lyon, Trenton, Troy, Walled Lake, Warren, Washington, Wayne, West Bloomfield, Willis, Wyandotte, Utica & Ypsilanti served by SBC Ameritech Michigan Additional License Info: Original license issued under DIECA Communications, Inc. dba Covad Communications Company. Initial application filed 9/23/1998. License issued 12/21/1998.

MEI Telecom, Inc. U-17431 Initial 10/4/2013 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: In all incumbent local exchange carriers' services territories throught the state of Michigan. Additional License Info: Temporary license issued 8/13/13

Mercury Wireless Indiana LLC, dba U-20445 Initial 3/21/2019 Approved Mercury Broadband Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: In the following exchanges: New Buffalo, Three Oaks, Galien, Buchanan, Niles, Eau Claire, Berrien Springs, St. Joseph, Benton Harbor, Coloma, Watervliet and Vicksburg served by AT&T Michigan; Sister Lakes, Dowagiac, Edwardsburg, White Pigeon, Sturgis, Constantine, Three Rivers, Centreville and Mendon served by Frontier North Inc.; Baroda, Sawyer and Bridgman served by Frontier Midstates Inc. Additional License Info: Temporary license issued 2/7/2019

Page 55 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Mercury Wireless Indiana LLC, dba U-20991 1st Expansion 5/13/2021 Approved Mercury Broadband Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: Temporary Issued on 3/19/21

MetaTel Communications, LLC U-17477 Surrender 6/15/2015 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: Initial application filed 9/10/13 Temporary license issued 11/14/13 Permanent license issued 12/6/13

Metro FiberNet, LLC U-20507 Initial 7/18/2019 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All ILECs throughout the state of Michigan. Additional License Info: Temporary license issued 6/7/19

Metro Teleconnect Companies, Inc. U-13366 Initial 12/1/2009 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 4/15/02. Order granting application issued 6/21/02. License revoked through Commission's Own Motion Order in Case No. U-16072.

MetroNet-Telecom, Inc. U-11595 Surrender 1/19/2016 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: The following exchanges served by SBC Ameritech & Verizon North: Albion, Alma, Ashley, Athens, Auburn, Bancroft, Bath, Battle Creek, Bay City, Belding, Bellevue, Birch Run, Breckenridge, Brighton, Byron, Charlotte, Clarksville, Clio- Mt. Morris, Coleman, Dansville, Davison, Dewitt, Dimondale, Durand, Eaton Rapids, Elsie, Fenton, Flint, Flushing, Fowler-Pewamo, Fowlerville, Frankenmuth, Freeland, Gaines, Grand Blanc, Grand Ledge, Grass Lake, Hartland, Hemlock, Hesperia, Holt, Howell, Hubbardston, Ionia, Ithaca, Jackson, Laingsburg, Lansing, Leslie, Linden, Linwood, Maples Rapids, Marshall, Mason, Merrill, Middleton, Midland, Muir, Mulliken, Napoleon, Nashville, Olivet, Otisville, Ovid, Owosso, Palo, Pinckney, Pompeii, Portland, Potterville, Quincy, Rankin, Reading, Reese, Remus, Riverdale, Rogers City, Roscommon, Rosebush, Saginaw, St. Charles, St. Johns, St. Louis, Swartz Creek, Vermontville & Williamston Additional License Info: Permanent license issued 3/10/1998

Metropolitan Telecommunications of U-13683 Initial 4/17/2003 Approved AT&T MI, CenturyTel, Michigan, Inc., dba MetTel Application Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 56 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Metropolitan Telecommunications of U-17450 1st Expansion 10/17/2013 Approved AT&T MI, CenturyTel Michigan, Inc., dba MetTel Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones and exchange areas served by the incumbent local exchange carriers of CenturyTel of Michigan, Inc., CenturyTel of Midwest-Michigan, Inc., CenturyTel of Northern Michigan, Inc., and CenturyTel of Upper Michigan, Inc. Additional License Info:

Michigan Access, Inc. U-16137 1st Expansion 1/25/2010 Revoked AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Two unserved territories located in the lower peninsula of Michigan. The first in Oscoda and Ogemaw counties, and the other is located in Oscoda County. Additional License Info: temporary license issued 12/16/09. Original application filed 11/25/09. Order granting expansion issued 1/25/10. License revoked via COM docket no. U-20892.

Michigan Access, Inc. U-14896 Initial 3/4/2021 Revoked AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: all zones and exchanges throughout the state of Michigan. Additional License Info: Temporary license order issued 6/27/06. Amended order issued 6/29/06. Initial application filed 5/17/06. Order granting application issued 8/22/06. License revoked via COM docket no. U-20892.

Michigan Central Broadband Company, U-15786 Initial 5/12/2009 Approved LLC Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amble, Chester, Grace Harbor, and Manistee River exchanges currently served by Upper Peninsula Telephone Company and the zones and exchange areas of AT&T Michigan, Verizon North, Inc. and Verizon North Systems. Additional License Info: Temporary license issued 3/18/09. Tariff for Amble, Chester, Grace Harbor and Manistee River exchanges.

MichTel Communications, LLC U-11730 Initial 12/1/2009 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Detroit & Pontiac district exchanges served by SBC Ameritech Additional License Info: Original application filed 7/10/98. Order granting application issued 10/12/98. License revoked through Commission's Own Motion Order in Case No. U-16072.

MichTel Communications, LLC U-11932 1st Expansion 12/1/2009 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Algonac, Ann Arbor, Applegate, Armada, Belleville, Brighton, Byron, Carleton, Carsonville, Chelsea, Clio- Mt. Morris, Croswell, Dexter, fenton, Flat Rock, Flint, Flushing, Grand Blanc, Hartland, Holly, Howell, Lapeer, Lexington, Mt. Clemens, Mancester, Marine City, Milan, Monroe, New Baltimore, New Boston, New Haven, Northville, Peck, Pinckney, Plymouth, Port Huron, Port Sanilac, Rockwood, Romeo, St. Clair, Sandusky, Snover, South Lyon, Utica, Washington, Whitmore Lake, Willis & Ypsilanti served by SBC Ameritech Additional License Info: Original expansion filed 3/8/99. Order granting expansion issued 5/27/99. Revoked through Commission's Own Motion in Case No. U-16072.

Page 57 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Mid-American Telephone Company U-11755 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Algonac, Ann Arbor, Applegate, Armada, Auburn Heights, Belleville, Birmingham, Brighton, Byron, Carleton, Carsonville, Centerline, Chelsea, Clarkston, Clio-Mt. Morris, Commerce, Croswell, Detroit, Dexter, Drayton Plains, Farmington, Fenton, Flat Rock, Flint, Flushing, Grand Blanc, Hartland, Holly, Howell, Lake Orion, Lapeer, Lexington, Livonia, Mt. Clemens, Mancester, Marine City, Milan, Monroe, New Baltimore, New Boston, New Haven, Northville, Oxford, Peck, Pinckney, Plymouth, Pontiac, Port Huron, Port Sanilac, Rochester, Rockwood, Romeo, Romulus, Royal Oak, Roseville, St. Clair, Sandusky, Snover, South Lyon, Southfield, Trenton, Troy, Utica, Walled Lake, Warren, Wayne, Washington, West Bloomfield, Whitmore Lake, Willis, Wyandotte & Ypsilanti served by SBC Ameritech Additional License Info: Initial application filed 8/19/98. Order approving appl issued 11/18/98. License revoked through Commission's Own Motion in Case No. U-15237.

Midwest Cable Phone of Michigan, LLC U-17654 Surrender 5/14/2015 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan in the specific geographic areas based on municipal or township boundaries of its cable franchises. Additional License Info: Initial Application filed 6/17/2014; Permanent License issued 1/13/2015

Midwest Energy Cooperative d/b/a U-17512 Initial 3/18/2014 Approved Midwest Energy & Communications Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: The Watervliet, Coloma, Kalamazoo, Benton Harbor, Niles, Vicksburg, and Eau Claire exchanges served by AT&T Michigan; the Bloomingdale exchange served by Bloomingdale Telephone Company, Inc.; the Sturgis, Cassopolis, Three Rivers, Mattawan, Lawton, Bangor, Hartford, Edwardsburg, Decatur, Sister Lakes, Constantine, Dowagiac, Vandalia, White Pigeon, Mendon, Union, Marcellus, Paw Paw, Schoolcraft, Gobles, Covert, and Centreville exchanges served by Frontier North Inc.; and the Lawrence exchange served by Frontier Midstates Inc. Additional License Info: Temporary license issued 1/23/14

Midwest Energy Cooperative d/b/a U-20337 1st Expansion 2/21/2019 Approved Midwest Energy & Communications Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: The exchanges of Cassopolis, White Pigeon, Three Rivers, Constantine, Lawton, Paw Paw, Decatur, Dowagiac, Niles, Edwardsburg, Union, Vandalia, Eau Claire, Marcellus, Schoolcraft, Vicksburg, Fulton, Kalamazoo, Mattawan, Scotts, Gobles, Bloomingdale, Covert, Coloma, Watervilet, Hartford, Lawrence, Sturgis, Centreville, Bangor, Mendon, Benton Harbor, Adrian, Tecumseh, Blissfield, Deerfield, Lambertville, Ogden, Waldron, Weston, Morenci, Clayton, Hudson, Onsted, Addison, Tipton, Stockbridge, Gregory, Chelsea, Clinton, Sister Lakes Additional License Info: Temporary license issued 2/7/2019

Midwest Energy Cooperative d/b/a U-21019 2nd Expansion 5/26/2021 Approved Midwest Energy & Communications Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges identified in the list attached to the application as Exhibit A. Additional License Info: Temporary Issued 4/8/21

Page 58 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Midwest Telecom Company U-12105 Surrender 7/11/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Detroit LATA exchanges served by SBC Ameritech & Verizon North Additional License Info: Initial application filed 9/2/99, order approving appl issued 12/6/99 approving

Midwestern Telecommunications, Inc. U-12322 Surrender 4/6/2012 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 2/10/2000. Application approved 5/3/2000.

Mission Networks, LLC U-12576 Surrender 12/20/2001 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 8/21/00, order granting appl issued 11/20/00

Mitel Cloud Services, Inc. U-15132 Initial 9/26/2019 Accepted None Application Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Licensed issued under Inter-Tel NetSolutions, Inc. Original license issued 4/3/2007

Mobilitie Management, LLC U-18067 Initial 12/20/2016 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: No temporary license was issued in U-18067

Momentum Telecom, Inc. U-15546 Surrender 6/15/2015 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All incumbent local exchange carrier's territories throughout the state of Michigan. Additional License Info: Initial application filed 4/18/08 Temporary license issued 6/10/08 Permanent license issued 9/23/08

Page 59 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Mpower Communications Central Corp. U-12372 Surrender 3/21/2007 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under Broadspan Communications, Inc., d/b/a Primary Network Communications, Inc. Original application filed 4/5/00, order issued 7/6/00.

Mpower Communications Corp. U-12202 Surrender 6/15/2006 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: order issued under MGC Communications, Corp. LDMI purchased MI customers & adopted CLEC tariff, but Mpower retains its license. Initial appl filed 11/16/99. Order granting appl issued 2/22/00.

National Grid Communications, Inc. U-15137 Initial 2/23/2012 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 1/9/07 Initial application filed 11/17/2006 and issued 2/14/2007. License revoked through Commission's Own Motion Order in Case No. U-16895.

NationsLine Michigan, Inc. U-14335 Initial 12/1/2009 Revoked Frontier fka Verizon Application Only, AT&T MI Geographic Area/Incumbent Territory where licensed: agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 11/1/04. Order granting application issued 2/24/05. License revoked through Commission's Own Motion Order in Case No. U-16072.

Navigator Telecommunications, LLC U-12557 1st Expansion 4/14/2016 Revoked AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial filing 8/8/2000 Order issued granting expansion 10/6/2000

License revoked through Commission's Own Motion Order in Case No. U-18008.

Navigator Telecommunications, LLC U-11848 Initial 4/14/2016 Revoked AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn Heights, Belleville, Birmingham, Carleton, Centerline, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Fenton, Flat Rock, Flint, Holly, Lake Orion, Livonia, Mt. Clemens, Milan, Monroe, New Baltimore, New Boston, New Haven, Northville, Oxford, Plymouth, Pontiac, Rochester, Rockwood, Romeo, Romulus, Royal Oak, Roseville, South Lyon, Southfield, Trenton, Troy, Utica, Warren, Wayne, Washington, West Bloomfield, Willis, Wyandotte & Yspilanti served by SBC Ameritech Additional License Info: Initial application filed 11/20/1998 and issued 3//2009. License revoked through Commission's Own Motion Order in Case No. U-18008.

Page 60 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Neo Network Development Inc. U-17859 Initial 8/14/2015 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: In the incumbent geographic territories of AT&T Michigan; Frontier North, Inc.; Frontier Midstates, Inc.; CenturyTel of Michigan, Inc.; CenturyTel Midwest of Michigan, Inc.; CenturyTel of Northern Michigan, Inc.; and CenturyTel of Upper Michigan, Inc. in the state of Michigan Additional License Info: Temporary license issued 6/15/15

Netarx LLC U-16286 Initial 4/14/2016 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan where the ILECs presently provide service. Additional License Info: Initial application filed 5/19/10 Temporary license issued 6/24/10 Permanent license issued 7/27/10

License revoked under Commission's Own Motion in U-18008

NET-Tel Corporation U-12048 Initial 9/11/2007 Revoked Frontier fka Verizon Application agreement no longer in Geographic Area/Incumbent Territory where licensed: effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/29/99. Order approving appl issued 11/16/99. License revoked through Commission's Own Motion in Case No. U-15237.

Network PTS, Inc. U-14986 Surrender 2/12/2008 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 8/1/06. Order granting application issued 10/24/06.

Neutral Tandem-Michigan, LLC U-14094 Initial 6/29/2004 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license order issued 6/3/04.

New Access Communications LLC U-12888 Surrender 9/25/2007 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original appl filed 3/30/01, order granting appl issued 7/11/01.

Page 61 Company Name Case No. App Type Order Date Decision Interconnection Tariff

New Horizons Communications Corp. U-15624 Initial 12/4/2008 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Filed for temporary license on 7/16/08. Commission approved temporary license on 8/12/08

New Rochelle Telephone Corp. U-12468 Initial 12/1/2009 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under Essex Communications, Inc., dba eLec Communications. Original application filed 6/5/00. Order granting application issued 8/31/00. License revoked through Commission's Own Motion Order in Case No. U-16072.

NewPath Holdings, Inc. U-12294 Surrender 6/6/2002 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original appl filed 1/20/00 & order issued 4/24/00.

NextGen Communications, Inc. U-15942 Initial 8/25/2009 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info:

Nextlink Wireless, LLC U-14763 Surrender 4/14/2016 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under LMDS Holdings, Inc. Initial application filed 1/23/2006 Permanent license issued 4/13/2006

Nexus Communications, Inc. U-13432 Surrender 10/27/2015 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All Michigan exchanges in the lower peninsula served by SBC. Additional License Info: Original application filed 5/31/2002 Permanent license granted 9/16/2002

Page 62 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Nii Communications, Ltd. U-14369 Surrender 12/16/2009 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 12/2/04. Order granting license issued 5/17/05.

NorthPoint Communications, Inc. U-11727 Surrender 5/15/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 7/2/98, approved by commission 10/12/98.

NorVergence, Inc. U-13996 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 1/5/04. Order approving appl issued 3/16/04. License revoked through Commission's Own Motion in Case No. U-15237.

NOS Communications, Inc. U-11855 Initial 3/22/1999 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Auburn, Battle Creek, Bay City, Harrison, Howell, Jackson, Kalamazoo, Mt. Clemens, Plymouth, Port Huron, St. Clair & Utica served by SBC Ameritech & Muskegon & Shelby exchanges served by Verizon North Additional License Info:

NOS Communications, Inc. U-12271 1st Expansion 3/14/2000 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

NOW Communications, Inc. U-12331 1st Expansion 5/3/2000 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Expansion filed 2/23/00, order issued 5/3/00.

Page 63 Company Name Case No. App Type Order Date Decision Interconnection Tariff

NOW Communications, Inc. U-11744 Surrender 3/29/2005 Accepted AT&T MI Only, Frontier Geographic Area/Incumbent Territory where licensed: Surrendered fka Verizon agreement Application no longer in effect

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 7/24/98, order granting license issued 10/26/98.

NSW Telecom, Inc. U-15916 Initial 2/23/2012 Revoked AT&T/Frontier fka Application Verizon/Frontier of MI Geographic Area/Incumbent Territory where licensed: agreements no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 4/30/2009 Tariff for AT&T and Verizon territories Initial application filed 3/12/2009 and issued 7/1/2009. License revoked through Commission's Own Motion Order in Case No. U-16895.

Ntegrity Telecontent Services, Inc. U-12055 Initial 9/11/2007 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 8/10/99. Order approving appl issued 11/16/99. License revoked through Commission's Own Motion in Case No. U-15237.

NTERA, INC. U-13081 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 9/6/01. Order granting application issued 1/22/02. License revoked through Commission's Own Motion Order in Case No. U-16072.

O1 Communications Central, LLC U-17079 Surrender 1/31/2017 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 8/23/12 Permanent license issued 2/28/13

O1 Communications of Michigan, LLC U-12171 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 10/20/99. Order approving appl issued 1/19/00. License revoked through Commission's Own Motion in Case No. U-15237.

Page 64 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Ogden Telephone Company U-16914 Initial 2/15/2012 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Requests authority to add areas of the Adrian and Blissfield exchanges, where Frontier North, Inc. is the incumbent carrier. OTC is seeking to serve the areas that lie along the border of the current Ogden Center Exchange boundary. Additional License Info: Tariff filed for U-16914.

Omniplex Communications Group, LLC U-12040 Initial 9/11/2007 Revoked Frontier fka Verizon Application agreement no longer in Geographic Area/Incumbent Territory where licensed: effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/8/99. Order approving appl issued 10/13/99. License revoked through Commission's Own Motion in Case No. U-15237.

One Stop Telecommunications, Inc. U-12082 Initial 11/30/1999 Accepted None Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application filed 8/31/99

OneStar Long Distance, Inc. U-13666 1st Expansion 3/12/2003 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

OneStar Long Distance, Inc. U-13423 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 5/21/02. Order granting application issued 9/16/02. License revoked through Commission's Own Motion Order in Case No. U-16072.

OnFiber Carrier Services, Inc. U-12412 Surrender 12/18/2007 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 5/1/00. Order granting application issued 8/31/00.

OnSite Access Local, LLC U-12352 Surrender 8/16/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 3/28/00, order issued 8/17/00.

Page 65 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Onvoy, LLC U-15567 Initial 7/29/2008 Approved AT&T MI, Frontier fka Application Verizon, CenturyTel, Geographic Area/Incumbent Territory where licensed: Frontier of MI ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Tariff on file for AT&T Michigan, Verizon North and Verizon North Systems territories. License issued under Onvoy, Inc. Temporary license 6/3/2008

Opex Communications, Inc. U-15058 Initial 12/12/2006 Application Application Dismissed Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info:

Osirus Communications, Inc. U-14494 Initial 8/1/2005 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license was issued 6/7/05

Osirus Communications, Inc. U-15356 1st Expansion 10/9/2007 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: license amended to include eight currently unserved areas in Gladwin, Presque Isle, Montmorency, Oscoda, Cheboygan, Ogemaw, and Alcona counties. Additional License Info: Temporary license issued 9/18/07.

Pacific Centrex Services, Inc. U-13937 Initial 12/1/2009 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 11/3/03. Order granting application issued 2/12/04. License revoked through Commission's Own Motion Order in Case No. U-16072.

Pac-West Telecomm, Inc. U-14653 Surrender 6/30/2015 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 10/6/2005 Permanent license issued 12/20/2005

Page 66 Company Name Case No. App Type Order Date Decision Interconnection Tariff

PaeTec Communications, LLC U-12165 Initial 1/19/2000 Approved AT&T MI, Winn Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Pathnet Operating, Inc. U-12673 Initial 9/11/2007 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges served by SBC Ameritech, Verizon North & Verizon North Systems in the Detroit, Grand Rapids, Lansing & Saginaw LATAs Additional License Info: Temporary license issued 11/20/00 Initial application filed 10/18/00. Order approving appl issued 2/5/01. License revoked through Commission's Own Motion in Case No. U-15237.

Peerless Network of Michigan, LLC U-17007 Initial 7/13/2012 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary License approved 5/24/2012

Pelzer Communications Corporation U-15148 Surrender 7/12/2011 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initital application filed 11/30/06. Temporary license issued 1/30/07. Permanent license issued 3/21/07.

Peninsula Fiber Network Next Generation U-17884 Initial 9/10/2015 Approved CenturyTel Services, LLC Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: The following exchanges: Michigan Bell Telephone Company d/b/a/ AT&T Michigan Exchanges: Birch Run, Byron, Clio- Mt. Morris, Fenton, Flint, Flushing, Fowlerville, Frankenmuth, Grand Blanc, Holly, Howell, Lapeer, Mayville, Oxford, Saginaw, Vassar; Frontier North Inc. Exchanges: Bancroft, Clifford, Columbiaville, Davison, Durand, Gaines, Linden, Metamora, North Branch, Ortonville, Otisville, Owosso, Rankin, Swartz Creek; Wolverine Telephone Company, dba TDS Telecom/Wolverine Telephone Co. Exchanges: Fostoria, Millington; Lennon Telephone Company Exchange: Lennon; CenturyTel Midwest-Michigan, Inc. Exchanges: Chesaning, Goodrich, Hadley, Montrose, New Lothrop. Additional License Info: Temporary license issued 7/23/15

Peninsula Fiber Network Next Generation U-18054 1st Expansion 6/9/2016 Approved Services, LLC Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: An additional 287 exchanges and zones located in the state of Michigan where AT&T Michigan, Frontier North, Frontier Midstates, Inc., Ace Telephone Company of Michigan, Barry County Telephone Company, Bloomingdale Telephone Company, CenturyTel Midwest Michigan, CenturyTel of Michigan, Inc., Chapin Telephone Company, Climax Telephone Company, Communications Corporation of Michigan dba TDS Telecom, Deerfield Farmers’ Telephone Company, Frontier Communications of Michigan, Shiawassee Telephone Company dba TDS Telecom, Springport Telephone Company, TDS Telecom/Wolverine Telephone, and Westphalia Telephone Company are the ILEC. Additional License Info: Temporary license issued 5/3/16

Page 67 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Peninsula Fiber Network Next Generation U-18209 2nd Expansion 2/28/2017 Approved Services, LLC Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones and exchanges throughout the state Additional License Info: Temporary license expansion granted 12/20/16

Peninsula Fiber Network, LLC U-14829 Initial 6/15/2006 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amasa, Bark River, Bergland, Bessemer, Big Bay, Brevort, Calumet, Champion, Channing, Cornell, Crystal Falls, Curtis, Engadine, Escanaba, Gladstone, Gwinn, Hermansville, Houghton, Iron Mountain, Iron River, Ironwood, Ishpeming, Keweenaw, Lake Linden, Mackinac Island, Marquette, Michigamme, Menominee, Negaunee, Newberry, Norway, Perkins, Powers, Rapids River, Republic, Rock, Sault Ste. Marie, Stephenson, St. Ignace, Trout Lake, Wakefield, and Watersmeet exchanges in which AT&T Michigan is the incumbent local exchange carrier. Additional License Info: Temporary license issuesd 5/25/06. Permanent license issued 6/15/06.

Peninsula Fiber Network, LLC U-17194 1st Expansion 4/25/2013 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon and Frontier of MI ATT MI Frontier North Frontier Midstates CenturyTel Other: All exchange areas in the Upper Peninsula of Michigan, all exchange areas in the Grand Rapids LATA in which AT&T Michigan, Frontier North Inc., or Frontier Midstates Inc. is the ILEC, and all exchanges in the Saginaw LATA in which AT&T Michigan or Frontier is the ILEC Additional License Info:

Peninsula Fiber Network, LLC U-17749 2nd Expansion 2/12/2015 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All exchanges throughout the state of Michigan. Additional License Info: Temporary license issued 12/18/2014

Peninsula Telephone Company U-10054 Surrender 9/13/2011 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued 8/14/1992

Phone Express Michigan Inc. U-14475 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Zones and exchange areas throughout the lower peninsula served by SBC and Verizon Additional License Info: Temporary license was issued 10/18/05. Original application filed 8/15/05. Order granting application issued 12/20/05. License revoked through Commission's Own Motion Order in Case No. U-16072.

Page 68 Company Name Case No. App Type Order Date Decision Interconnection Tariff

PhoneCo, L.P. U-13669 Initial 2/23/2012 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed on 12/23/2002 and approved on 3/26/2003. License revoked through Commission's Own Motion Order in Case No. U-16895.

Pigeon Telephone Company U-13793 Initial 7/31/2003 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: license amended to include the territory along its northern boundary where it adjoins the Caseville exchange currently served by Verizon North Inc. Additional License Info: Tariff revision filed to reflect U-13793

PNG Telecommunications Inc. dba U-13929 Initial 12/18/2003 Approved AT&T MI, Frontier fka PowerNet Global Communications Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Point Broadband Fiber Holding, LLC U-20716 Initial 4/15/2020 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: In the incumbent local exchange carriers’ service territories throughout the state of Michigan. Additional License Info:

Polycom America, LTD U-11338 Surrender 2/25/1998 License None Geographic Area/Incumbent Territory where licensed: Rescinded

ATT MI Frontier North Frontier Midstates CenturyTel Other: Various exchanges within the LATAs served by SBC Ameritech Additional License Info: Application filed 3/4/97 order approving appl issued 6/25/97

Power of Choice Holding Company U-14043 Initial 6/29/2004 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Praytzel Communications LLC U-15623 Initial 11/13/2008 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 69 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Preferred Carrier Services, Inc. U-12080 Surrender 1/29/2008 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Only, AT&T MI Application agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 8/31/99, order granting application issued 11/16/99.

Premiere Network Services, Inc. U-12628 Initial 12/1/2009 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of SBC Ameritech & Verizon North in a geographic area concentrated in Detroit, Grand Rapids, Lansing, Flint & Kalamazoo Additional License Info: Original application filed 9/29/00. Order granting application issued 3/27/01. License revoked through Commission's Own Motion Order in Case No. U-16072.

Presque Isle Electric & Gas Co-op U-20981 Initial 5/26/2021 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Alpena, Atlanta, Fairview, Gaylord, Hillman, Hubbard Lake, Lachine Lewiston, Long Lake, Mio, Onaway, Posen, Rogers City and Vanderbilt exchanges served by Frontier North. Bois Blanc served by TDS Island Telephone Company. Cheboygan, Indian River, Mackinaw City, & Wolverine exchanges served by AT&T Michigan. Grace Harbor served by MI Central Broadband Company. Levering exchange served by CenturyTel of Michigan. Robbs Creek exchange served by Allband Communications Cooperative. Additional License Info: Temporary issued on 3/4/21

Prime Time Wireless, Inc., dba PrimeTime U-14656 Initial 12/20/2005 Accepted None Tel Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Primus Telecommunications, Inc. U-12360 Surrender 2/11/2016 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original case filed 3/27/00 Permanent license issued 6/19/00

Prism Michigan Operations, LLC U-12142 Surrender 5/15/2001 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 9/24/99, order approving appl issued 11/30/99.

Page 70 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Quality Telephone, Inc. U-14675 Initial 12/1/2009 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 12/20/05. Original application filed 10/27/05. Order granting application issued 1/31/06. License revoked through Commission's Own Motion Order in Case No. U-16072.

QuantumShift Communications, Inc. U-12108 Initial 11/30/1999 Approved AT&T MI, CenturyTel, Application Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Quick Communications, Inc., dba Planet U-12871 Initial 7/11/2001 Approved AT&T MI agreement no Access Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech in the lower peninsula Additional License Info: Temporary license issued 4/17/01.

Qwest Interprise America, Inc. U-11749 Surrender 6/12/2007 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under US West Interprise America Inc. Original application filed 7/27/98, order granting application issued 11/5/98

RACC Enterprises, LLC U-12941 Initial 8/16/2001 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Range Corporation U-12003 Surrender 12/21/2010 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial License filed on 6/7/1999 Commission Order issued on 9/28/1999 granting a permanent license.

Page 71 Company Name Case No. App Type Order Date Decision Interconnection Tariff

RCLEC, Inc. U-17573 Initial 6/19/2014 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 5/13/14

Reliant Communications, Inc. U-12440 Surrender 11/13/2008 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Lansing LATA served by SBC Ameritech, Verizon North & Verizon North Systems Additional License Info: Order issued under HJN Telecom, Inc. Date filed for license 5/12/2000 Date of Commission Order approving license 8/17/2000

Rhythms Links, Inc. U-11725 Surrender 3/29/2002 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Belleville, Carleton, Chelsea, Dexter, Flat Rock, Holly, Manchester, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Plymouth, Rockwood, Romeo, Utica, Washington, Willis, Ypsilanti, the Pontiac district exchanges & the Detroit district exchange Additional License Info: Order issued under Accelerated Connections, Inc. Original appl filed 7/9/98 & order issued 9/23/98.

RJ Telecommunications, Inc. U-17476 Initial 4/15/2014 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info:

Rockford Telephone Company, Inc. U-16844 Initial 3/4/2021 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Rockford exchange served by AT&T Michigan. Additional License Info: Temporary License Issued 12/6/2011. Original application filed 8/19/11. Order granting application issued 12/20/11. License revoked via COM docket no. U-20892.

RSL COM USA U-11838 Surrender 8/16/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Kalamazoo exchange area served by SBC Ameritech Additional License Info: Initial application filed 11/6/98, order granting appl issued 3/8/99.

Page 72 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Sage Spectrum, LLC U-15649 Surrender 9/28/2010 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Temporary license issued 10/21/08 Original application filed 9/4/08. Order granting permanent license issued 12/23/08.

Sage Telecom Communications, LLC U-17237 Surrender 12/20/2018 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary License was issued on 5/29/13 Permanent license issued on 7/29/2013

Sage Telecom, Inc. U-13312 Surrender 6/30/2015 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed on 2/27/2002 Permanent license issued 6/6/2002

Sand Creek Telephone Company U-16453 Initial 11/19/2010 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Request to expand its geographic area to include a portion of the Morenci exchange currently served by Frontier Midstates, Inc. Additional License Info: Tariff filed for U-16453

ServiSense.com, Inc. U-12522 Initial 9/11/2007 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/14/00. Order approving appl issued 11/8/00. License revoked through Commission's Own Motion in Case No. U-15237.

Sigecom, LLC, dba WOW! Internet, Cable U-15249 Initial 5/22/2007 Approved AT&T MI, Frontier fka and Phone Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: temporary license issued 4/24/07

Page 73 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Sigma Network Telecommunications U-12635 Surrender 8/16/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 9/29/00, order granting appl issued 1/23/01.

Solarity Communications LLC U-15739 Initial 2/23/2012 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary License Issued: 12/23/2008 Initial application filed 11/21/2008 and issued 3/18/2009. License revoked through Commission's Own Motion Order in Case No. U-16895.

South American Communications, LLC. U-15480 Surrender 5/29/2013 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 3/11/08. Original license filed 12/7/07. Permanent license issued 4/1/2008. Amendatory order issued 6/14/13.

Southwest Michigan Communications, U-14804 Initial 5/25/2006 Approved AT&T MI, Frontier fka Inc. Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Adamsville, Allegan, Bangor, Cassopolis, Constantine, Covert, Decatur, Dowagiac, Edwardsburg, Fennville, Ganges, Gobles, Grand Junction, Hamilton, Hartford, Lawton, Marcellus, Mattawan, Paw Paw, Saugatuck, Sister Lakes, Schoolcraft, South Haven, Three Rivers, Union, Vandalia, and White Pigeon exchanges currently served by Verizon North Inc. and the Bridgman, Baroda, Glenn, Lacota, Lawrence, Pullman and Sawyer exchanges currently served by Verizon North Systems. Additional License Info: Temporary license issued 4/13/06

Sparta Telephone Company, Inc. U-16845 Surrender 4/18/2019 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Sparta exchange served by AT&T Michigan. Additional License Info: Initial application filed 8/19/2011 Temporary License Issued 12/6/2011 Permanent license issued 12/20/2011

Specialized Services, Inc., dba SSI Affinity U-13757 Initial 2/23/2012 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 5/28/03 Initial application filed 4/8/2003 and granted on 7/8/2003. License revoked through Commission's Own Motion Order in Case No. U-16895.

Page 74 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Spectrotel of the Midwest LLC U-21034 Initial 9/9/2021 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Zone and exchange areas in which Frontier North Inc., Frontier Midstates Inc., AT&T Michigan, CenturyTel of Michigan, Inc. d/b/a CenturyLink and Frontier Communications of Michigan, Inc. are the incumbent local exchange carriers. Additional License Info:

Spectrotel, Inc., dba Touch Base U-14018 Initial 5/18/2004 Approved AT&T MI Communications, One Touch Application Communications Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Tariff for AT&T's service territory.

Spectrotel, Inc., dba Touch Base U-17935 1st Expansion 12/11/2015 Approved Communications, One Touch Communications Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: To expand the geographic scope of its current license to provide basic local exhchange service to include the local exchange areas served by CenturyTel of Michigan, Inc., d/b/a CenturyLink, and Frontier Communications of Michigan, Inc. Additional License Info: Temporary expansion granted 10/27/15

Tariff is for Business in AT&T, Frontier, and CenturyTel

Sprint Communications Company, L.P. U-11164 Surrender 5/26/2021 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon, CenturyTel, TDS ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges in the Detroit, Grand Rapids & Lansing LATAs served by SBC Ameritech & Verizon North Additional License Info: Initial application filed on 8/16/96 and approved on 11/26/96

Sprint Communications Company, L.P. U-15389 Surrender 5/26/2021 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones and exchanges currently served by CenturyTel - Midwest Michigan, Inc., Frontier Communications of Michigan, Inc., Shiawasee Telephone Company and Westphalia Telephone Company. Additional License Info: 2nd expansion filed on 9/5/07 and approved on 5/26/21

Sprint Communications Company, L.P. U-11369 Surrender 6/9/2021 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: 1st expansion application filed on 4/18/97 and approved on 7/10/97

Page 75 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Starlink Services, LLC U-21035 Initial 6/23/2021 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: Temporary Issued on 5/13/21

Sun Communications, LLC U-13651 Initial 9/11/2007 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 12/9/02. Order approving appl issued 3/26/03. License revoked through Commission's Own Motion in Case No. U-15237.

Superior Spectrum Telephone and Data, U-14805 Surrender 11/19/2015 Accepted AT&T MI agreement no L.L.C. Surrendered longer in effect Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Zone and exchange areas served by AT&T Michigan, Verizon North Inc. and Contel of the South, Inc., dba Verizon North Systems, and other local exchange carriers throughout the state of Michigan. Additional License Info: Temporary license issued 3/14/06 Permanent license issued 5/10/2006

Superior Technologies, Inc. U-12480 Surrender 6/12/2007 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 7/7/00, order granting application issued 10/6/00

Suretel, Inc. U-11717 Initial 12/1/2009 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Benton Harbor, Belleville, Centerline, Detroit, Flint, Livonia, Plymouth, Pontiac, Romulus, Roseville, Royal Oak, St. Joseph, Southfield, Trenton, Warren, Wayne, Wyandotte & Ypsilanti served by SBC Ameritech & the Muskegon exchange served by Verizon North Additional License Info: Original application filed 6/24/98. Order granting application issued 9/11/98. License revoked through Commission's Own Motion Order in Case No. U-16072.

T2 Communications, L.L.C. U-13755 Surrender 7/22/2016 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 4/3/03 Temporary license issued 5/28/03 Permanent license issued 7/8/03 Tariff for SBC Holland exchange

Page 76 Company Name Case No. App Type Order Date Decision Interconnection Tariff

T2 Communications, L.L.C. U-14643 Surrender 7/22/2016 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License expansion application filed 9/27/05 Temporary license for expansion issued 11/10/05 Permanent license for expansion issued 12/22/05 No tariff on file for Frontier territory

Talk America Inc. U-11408 Surrender 10/24/2018 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn, Auburn Heights, Belleville, Birmingham, Carleton, Centerline, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Flat Rock, Holly, Lake Orion, Livonia, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Oxford, Plymouth, Pontiac, Rochester, Rockwood, Romeo, Romulus, Roseville, Royal Oak, Southfield, South Lyon, Trenton, Troy, Walled Lake, Warren, Washington, Wayne, West Bloomfield, Willis, Wyandotte, Utica, and Ypsilanti served by SBC. Additional License Info: Initial application filed 5/14/1997 Permanent license issued 8/25/1997

Talk America Inc. U-14311 Surrender 10/24/2018 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 11/9/04 Permanent license issued 12/21/04

Talk America Services, LLC U-17707 Surrender 4/21/2021 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Temporary license issued 1/13/2015 Original application filed 9/29/14. Order approving application issued 2/12/15.

Talk America, LLC U-18347 Initial 5/31/2017 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 4/13/17

Talk Unlimited Now, Inc. U-13535 Initial 9/11/2007 Revoked Frontier fka Verizon Application Only, AT&T MI Geographic Area/Incumbent Territory where licensed: agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 9/13/02. Order approving appl issued 1/21/03. License revoked through Commission's Own Motion in Case No. U-15237.

Page 77 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Tall Grass Communications Inc. U-12425 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 5/12/00. Order approving appl issued 10/6/00. License revoked through Commission's Own Motion in Case No. U-15237.

TC3 Telecom, Inc. U-11992 Initial 9/14/1999 Approved AT&T MI, Frontier fka Application Verizon and Frontier of Geographic Area/Incumbent Territory where licensed: MI, and other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Adrian, Blissfield, Britton, Clinton, Hudson, Tecumseh, Tipton, Morenci, Chesterfield, Addison, Hillsdale, Onstead & Sand Creek Additional License Info:

TC3 Telecom, Inc. U-12770 1st Expansion 3/7/2001 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon and Frontier of MI, and other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

TC3 Telecom, Inc. U-16069 2nd Expansion 10/13/2009 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon and Frontier of MI, and other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: All ILEC territories throughout the state of Michigan. Additional License Info: Temporary license issued 9/15/09

TCG Detroit U-11047 1st Expansion 4/26/1996 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Farmington, West Bloomfield, Auburn Heights, Warren, Pontiac, Royal Oak, Plymouth, Centerline, Livonia, Northville, Rochester, Utica, Walled Lake, Ann Arbor, Ypsilanti, Wayne, Troy & Romulus served by SBC Ameritech Additional License Info:

TCG Detroit U-11316 2nd Expansion 4/4/1997 Approved AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon ATT MI Frontier North Frontier Midstates CenturyTel Other: MI exchanges in the Grand Rapids, Detroit, Lansing & Saginaw LATAs served by SBC Ameritech & Verizon North Additional License Info:

Page 78 Company Name Case No. App Type Order Date Decision Interconnection Tariff

TCG Detroit U-16928 3rd Expansion 2/23/2012 Approved AT&T MI Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Areas of the Upper Peninsula served by AT&T Michigan, and all areas of the state served by Frontier Midstates, Inc., Frontier Communications of Michigan, Inc., and CenturyTel of Upper Michigan,Inc., CenturyTel of Michigan, Inc., CenturyTel Midwest – Michigan Inc., and CenturyTel of Northern Michigan, Inc., (all d/b/a CenturyLink). Additional License Info: Temporary expansion issued 1/12/2012

TCG Detroit U-10731 Surrender 2/28/2013 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Detroit, Birmingham & Southfield served by SBC Ameritech Additional License Info: Initial application filed 11/10/1994 and order issued 4/27/1995.

TDS Metrocom, LLC U-12554 Initial 11/2/2000 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 8/31/00.

TDS Metrocom, LLC U-17436 1st Expansion 9/24/2013 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones and exchanges in the State of Michigan. Additional License Info: Temporary license issued 7/29/13

TelCove Operations, LLC U-12010 Initial 9/28/1999 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: license issued under Hyperion Communications of Michigan, Inc., also fka Adelphia Business Solutions, Inc.

Telecents Communications, Inc. U-12441 Surrender 5/28/2003 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 5/12/00, order granting appl issued 8/31/00

Telecom Management, Inc., dba Pioneer U-15191 Initial 6/26/2007 Approved AT&T MI, Frontier fka Long Distance Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 79 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Telecom One, Inc. f/k/a TCO Network, Inc. U-15437 Initial 1/29/2008 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 12/4/07. License issued under TCO Network, Inc.

Tele-Phone Communication, Inc. U-11230 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Detroit LATA exchanges served by SBC Ameritech & Verizon North Additional License Info: Initial application filed 10/25/96. Order approving appl issued 2/5/97. License revoked through Commission's Own Motion in Case No. U-15237.

Teleport Communications America, LLC U-17074 Initial 11/16/2012 Approved CenturyTel, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Territory of TCG Detroit, which includes the service areas of AT&T Michigan, Frontier North Inc., Frontier Midstates Inc., Frontier Communications of Michigan, Inc., CenturyTel of Michigan, Inc., CenturyTel of Upper Michigan, Inc., CenturyTel Midwest Michigan, Inc., and CenturyTel of Northern Michigan, Inc. Additional License Info: Temporary license approved 9/25/2012

Teleport Communications America, LLC U-20660 1st Expansion 2/6/2020 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Temporary License issued on 12-6-19

Telera Communications, Inc. U-12603 Initial 12/1/2009 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 9/8/00. Order granting application issued 12/4/00. License revoked through Commission's Own Motion Order in Case No. U-16072.

Tele-Reconnect Inc. U-15116 Initial 2/23/2012 Revoked Frontier fka Verizon Application agreement no longer in Geographic Area/Incumbent Territory where licensed: effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: temporary license issued 1/30/07 Initial application filed 11/17/2006 and issued 2/17/2007 License revoked through Commission's Own Motion Order in Case No. U-16895.

Page 80 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Telergy Network Services, Inc. U-12695 Surrender 10/3/2002 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 10/30/00, order granting appl issued 2/5/01

Teliax, Inc. U-20288 Initial 11/8/2018 Approved CenturyTel Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 9/13/2018

Telicor Inc. U-12663 Initial 9/11/2007 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 10/9/00. Order approving appl issued 12/20/00. License revoked through Commission's Own Motion in Case No. U-15237.

Teligent Services, Inc. U-11361 Surrender 3/29/2005 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Algonac, Almont, Ann Arbor, Armada, Auburn Heights, Avoca, Belleville, Birmingham, Brighton, Clarkston, Clifford, Columbiaville, Commerce, Davison, Detroit, Dexter, Drayton Plains, Dryden, Emmett, Farmington, Fenton, Flat Rock, Fowlerville, Goodells, Grand Blanc, Hartland, Holly, Howell, Jeddo, Lake Orion, Lapeer, Linden, Livonia, Marine City, Mt. Clemens, Mancester, Marine City, Maybee, Mayville, Memphis, Metamora, Milan, Milford- White Lake, Monroe, New Baltimore, New Boston, New Haven, North Branch, Northville, Ortonville, Oxford, Pinckney, Plymouth, Pontiac, Port Huron, Richmond, Rochester, Rockwood, Romeo, Romulus, Royal Oak, Roseville, St. Clair, Smiths Creek, South Lyon, Southfield, Trenton, Troy, Utica, Walled Lake, Warren, Wayne, Washington, West Bloomfield, Whitmore Lake, Willis, Wyandotte & Ypsilanti Additional License Info: Original application filed 4/10/97, order granting license issued 7/31/97 under Microwave Services, Inc., d/b/a MSI

Telnet Worldwide, Inc. U-11901 Initial 4/23/1999 Approved AT&T MI, CenturyTel, Application TDS, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon, Frontier of MI, other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Algonac, Ann Arbor, Applegate, Armada, Belleville, Brighton, Byron, Carleton, Carsonville, Chelsea, Clio- Mt. Morris, Croswell, Dexter, Fenton, Flat Rock, Flint, Flushing, Grand Blanc, Hartland, Holly, Howell, Lapeer, Lexington, Mt. Clemens, Mancester, Marine City, Milan, Monroe, New Baltimore, New Boston, New Haven, Northville, Peck, Pinckney, Plymouth, Port Huron, Port Sanilac, Rockwood, Romeo, St. Clair, Sandusky, Snover, South Lyon, Utica, Washington, Whitmore Lake, Willis & Ypsilanti & the Detroit district exchange & the Pontiac district exchange served by SBC Ameritech Additional License Info:

Page 81 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Telnet Worldwide, Inc. U-12152 1st Expansion 12/6/1999 Approved AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: TDS, Frontier fka Verizon, Frontier of MI, other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Telnet Worldwide, Inc. U-13731 2nd Expansion 6/16/2003 Approved AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: TDS, Frontier fka Verizon, Frontier of MI, other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: Zone and exchange areas of all incumbent local exchange carriers throughout the state of Michigan. Additional License Info:

Telrite Corporation dba Life Wireless U-15462 Surrender 1/19/2016 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original case filed 11/9/2007 Permanent license issued 4/22/2008

Tennessee Telephone Service, LLC, dba U-16051 Surrender 5/26/2011 Accepted AT&T MI Freedom Communications USA, LLC Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 9/15/09 Permanent license issued 12/1/09

The Deerfield Farmers Telephone U-13482 Initial 10/3/2002 Approved AT&T MI, TDS, Frontier Company Application fka Verizon, Frontier of Geographic Area/Incumbent Territory where licensed: MI, other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Lambertville, & Morenci served by Verizon North Systems & the Adrian, Blissfield, Britton, Clinton, Dundee, Hudson, Ida & Tecumseh exchanges served by Verizon North. Additional License Info: Tariff filed for U-13482

The Deerfield Farmers Telephone U-16782 1st Expansion 8/11/2011 Approved AT&T MI, CenturyTel, Company TDS, Frontier fka Geographic Area/Incumbent Territory where licensed: Verizon, Frontier of MI, other small ILECs ATT MI Frontier North Frontier Midstates CenturyTel Other: The Maybee and Tipton exchanges currently served by Frontier North Inc. the Addison exchange currently served by Frontier Midstates Inc the Onsted exchange currently served by Frontier Communications of Michigan, Inc.; the Clayton exchange currently served by TDS Telecom (Communications Corporation of Michigan); the Milan exchange currently served by AT&T Michigan; the Sand Creek exchange currently served by Sand Creek Telephone Company; the Ogden Center exchange currently served by Ogden Telephone Company; and the Waldron exchange currently served by Waldron Telephone Company. Additional License Info: Tariff filed for U-16782.

Page 82 Company Name Case No. App Type Order Date Decision Interconnection Tariff

The Free Network, L.L.C. U-12056 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/23/99. Order approving appl issued 12/16/99. License revoked through Commission's Own Motion in Case No. U-15237.

The Winn Telephone Company U-12638 1st Expansion 3/10/2015 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include Ithaca & St. Louis exchanges served by Verizon North Additional License Info: Expansion filed 9/25/00, order issued 12/20/00

The Winn Telephone Company U-12276 Surrender 3/10/2015 Accepted AT&T Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include exchanges of Alma, Mt. Pleasant, Shepard, Vestaburg & Weidman served by Verizon North Additional License Info: Application filed 1/12/00 Order issued 4/11/00

The Winn Telephone Company U-14771 3rd Expansion 3/10/2015 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to add all zones and exchanges served by Verizon North, Verizon North Systems, and AT&T Michigan Additional License Info: Application filed 1/31/06 temporary license issued 2/21/06 Permanent order issued 4/25/06

The Winn Telephone Company U-13020 2nd Expansion 3/10/2015 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Akron, Auburn, Bad Axe, Bay City, Bayport, Beaverton, Birch Run, Clare, Coleman, East Tawas, Fairgrove, Farwell, Frankenmuth, Freeland, Gagetown, Gladwin, Harrison, Linwood, Mayville, Midlan, Oscoda, Owendale, Reese, Rosebush, Saginaw, Sebewaing, St. Helen, St. Charles, Standish, Ubly, Unionville, Vassar & West Branch served by SBC SBC Ameritech, exchanges of Alpena, Ashley, Atlanta, Bancroft, Barryton, Breckenridge, Carson City, Caseville, Cass City, Clifford, Durand, Edmore, Elkton, Elsie, Fairview, Fenwick, Fowler-Pewamo, Gaylord, Grayling, Harobr Beach, Harrisville, Hemlock, Higgins Lake, Hillman, Houghton Lake, Hubbard Lake, Hubbardston, Kingston, Lachine, Lakeview, Lewiston, Lincoln, Long Lake, Maple Rapids, McBride, Merrill, Middleton, Minden City, Mion, Muir, Onaway, Ossineke, Ovid, Owosso, Palo, Pompeii, Posen, Remus, Riverdale, Rogers City, Roscommon, Sheridan, Sidney, Six Lakes, St. Johns, Stanton & Vanderbilt served by Verizon North & exchanges of Alger, Lupton, Prescott, Rose City & Sterling served by Verizon North Systems Additional License Info: Expansion application filed 7/25/01 Order issued 10/11/01

Page 83 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Three Rivers Telecom, Inc. U-15791 Surrender 6/3/2015 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Original case filed 2/12/09 Temporary license issued 4/16/09. Permanent license issued 5/12/09

Thumb Electric Cooperative of Michigan U-20996 Initial 5/13/2021 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges identified in Exhibit A of its application Additional License Info: Temporary Issued on 3/19/21

Time Clock Solutions, LLC U-20437 Initial 5/23/2019 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Time Warner Cable Information Services U-16057 Initial 10/13/2009 Approved AT&T MI (Michigan), LLC, dba Time Warner Cable II Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: 9/15/2009-- Temporary License was issued

TNCI Operating Company LLC U-17244 Surrender 6/9/2016 Accepted Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 4/3/2013 Temporary license issued 6/28/2013 Permanent license issued 8/29/2013

TOTALink of Michigan, LLC U-12155 Surrender 9/16/2002 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 10/7/99, order granting license issued 1/10/2000

Page 84 Company Name Case No. App Type Order Date Decision Interconnection Tariff

TouchTone Communications Inc. U-15355 Initial 10/9/2007 Approved None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Trans National Communications U-12749 Initial 11/6/2014 Accepted AT&T MI, Frontier fka International, Inc. Application Surrendered Verizon Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 12/7/2000. License issued 3/29/2001.

TransWorld Network Corp. U-14002 Surrender 6/7/2005 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Only, AT&T MI Application agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original appl filed 1/7/04, order issued 3/16/04.

Tri-County Electric Cooperative U-20323 Initial 1/18/2019 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: In the following exchanges: the Brighton, Charlotte, Clare, Crystal Falls, Dansville, Eaton Rapids, Evart, Farwell, Gladwin, Ionia, Kent City, Lake Leelanau, Lake Linden, Lake Odessa, Lake Orion, Leslie, Mason, Midland, Morley, Mount Clemens, Mulliken, Nashville, New Buffalo, Newaygo, Oxford, Pontiac, Port Huron, Portland, Potterville, Rapid River, Reed City, Rosebush, Saginaw, and Vermontville exchanges served by AT&T Michigan; the Blanchard exchange served by Blanchard Telephone; the Crystal exchange served by CenturyTel of Michigan, Inc.; the Chippawa Lake, Mecosta, and Sunfield exchanges served by CenturyTel Midwest-Michigan, Inc.; the Garden exchange served by CenturyTel of Upper Michigan, Inc.; the Fitchburg, Munith, Onondaga, Rives Junction and Stockbridge exchanges served by Frontier Midstates, Inc.; the Alma, Ashley, Barryton, Carson City, Edmore, Elsie, Fowler-Pewamo, Grand Ledge, Hubbardston, Lakeview, Maple Rapids, McBride, Mount Pleasant, Middleton, Pompeii, Remus, Riverdale, Saint Johns, Shepherd, Six Lakes, Stanton, Stanwood, Vestaburg, and Weidman exchanges served by Frontier North, Inc.; the Westphalia exchange served by Westphalia Telephone Company; and the Winn exchange served by Winn Telephone Company. Additional License Info: Temporary license issued 11/21/2018

Trinsic Communications, Inc. U-13151 Surrender 11/13/2008 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon, Winn Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Date filed for Expansion 10/17/2001 Date of Commission Order granting expansion 1/8/2002

Page 85 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Trinsic Communications, Inc. U-12335 Surrender 11/13/2008 Accepted AT&T MI Only, Frontier Geographic Area/Incumbent Territory where licensed: Surrendered fka Verizon, Winn Application agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: fka Z-Tel Communications, Inc.

Application filed 2/28/2000 Commission Order granting License 5/22/2000

Trophy Technologies, Inc., dba Rural U-13538 Initial 2/23/2012 Revoked None Communications Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed on 9/20/2002 and approved on 3/12/2003. License revoked through Commission's Own Motion Order in Case No. U-16895.

Trophy Technologies, Inc., dba Rural U-15337 1st Expansion 2/23/2012 Revoked None Communications Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 8/21/07 License expansion application filed on 6/29/2007 and approved on 9/25/2007. License revoked through Commission's Own Motion Order in Case No. U-16895.

TruComm Corporation U-13008 Surrender 5/17/2010 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 7/9/01. Order granting license issued 10/11/01.

Truly Clear Communications Inc. U-12378 Initial 12/1/2009 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 4/13/00. Order granting application issued 8/17/00. License revoked through Commission's Own Motion Order in Case No. U-16072.

U.S. Metrotel, LLC, dba S7 Digital U-16393 Initial 10/26/2010 Approved AT&T MI, CenturyTel, Communications Application Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 9/14/10.

Page 86 Company Name Case No. App Type Order Date Decision Interconnection Tariff

U.S. Telco, Inc. U-11633 Initial 5/11/1998 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application filed 2/10/98

U.S. Telepacific Corp., d/b/a Telepacific U-12351 Surrender 1/31/2006 Accepted None Communications Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial Appl filed 3/28/00, order issued 6/19/00.

United States Telecommunications, Inc., U-11809 Initial 9/11/2007 Revoked AT&T MI/Frontier fka d/b/a Tel Com Plus Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 10/6/98. Order approving appl issued 12/21/98. License revoked through Commission's Own Motion in Case No. U-15237.

Uniti Fiber LLC U-18176 Initial 12/20/2016 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan in the incumbent geographic territories of AT&T Michigan, Frontier North Inc., Frontier Midstates Inc., CenturyTel of Michigan, Inc., CenturyTel Midwest - Michigan, Inc., CenturyTel of Northern Michigan, Inc., and CenturyTel of Upper Michigan, Inc. Additional License Info: No temporary license was issued in U-18176 License issued under Uniti Fiber-PEG LLC f/k/a PEG Bandwidth, LLC

Unity Telecom, LLC U-12397 Surrender 9/26/2014 Accepted AT&T MI Only, Frontier Geographic Area/Incumbent Territory where licensed: Surrendered fka Verizon agreement Application no longer in effect

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial Application filed 4/21/2000 Permanent License issued 8/4/2000

Universal Access, Inc. U-12315 Surrender 4/3/2007 Accepted AT&T MI, CenturyTel, Geographic Area/Incumbent Territory where licensed: Surrendered Frontier fka Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 2/7/00, order issued 4/24/00

Page 87 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Universal Telecom, Inc. U-13468 Initial 2/23/2012 Revoked CenturyTel Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All MI exchanges served by SBC Ameritech, Verizon North, Verizon North Systems, CenturyTel of Michigan, CenturyTel of Midwest - Michigan, CenturyTel of Upper Michigan, CenturyTel of Northern Michigan, TDS Telecom/Island Telephone, TDS Telecom/Shiawassee Telephone, TDS Telecom/Chatham Telephone, TDS Telecom/Wolverine Telephone, TDS Telecom/Communication Corporation of Michigan & Frontier Communications of Michigan. Additional License Info: License application filed on 07/05/2002 and approved on 11/07/2002. Tariff filed for SBC, Verizon North & Verizon North Systems. License revoked through Commission's Own Motion Order in Case No. U-16895.

Upper Peninsula Telephone Company U-15284 Initial 6/26/2007 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: tariff for original territory

Upper Peninsula Telephone Company U-20490 1st Expansion 5/23/2019 Approved Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Alston, Baraga Telephone Company; Au Train, Chatham Telephone Company (TDS); Baraga, Baraga Telephone Company; Bois Blanc, Island Telephone Company (TDS); Brimley, Hiawatha Telephone Company; Bruce Crossing, Ontonagon County Telephone Company; Cedarville, Century Tel of Upper Michigan, Inc,; Chatham, Chatham Telephone Company (TDS); Deer Park, Hiawatha Telephone Company; De Tour, Century Tel of Upper Michigan, Inc.; Eckerman, Hiawatha Telephone Company; Ewen, Ontonagon County Telephone Company; Garden, Century Tel of Upper Michigan, Inc.; Golden Lake, Midway Telephone Company; Grand Marais, Hiawatha Telephone Company; Gulliver, Century Tel of Upper Michigan, Inc.; Hiawatha Forest, Hiawatha Telephone Company; Hulbert, Hiawatha Telephone Company; Kinross, Century Tel of Upper Michigan, Inc.; L’Anse, Baraga Telephone Company; Manistique, Century Tel of Upper Michigan, Inc.; Mass-Greenland, Ontonagon County Telephone Company; Munising, Hiawatha Telephone Company; Ontonagon, Ontonagon County Telephone Company; Paradise, Hiawatha Telephone Company; Pickford, Century Tel of Upper Michigan, Inc.; Rockland, Ontonagon County Telephone Company; Rudyard, Century Tel of Upper Michigan, Inc.; Sand River, Chatham Telephone Company (TDS); Seney, Hiawatha Telephone Company; Shingleton, Hiawatha Telephone Company; Skandia, Chatham Telephone Company (TDS); Tapiola, Baraga Telephone Company; Trenary, Chatham Telephone Company (TDS); Trout Creek, Midway Telephone Company; Watton, Midway Telephone Company; White Pine, Ontonagon County Telephone Company. Additional License Info: Temporary license issued 4/10/2019. Tariff filed for expanded territory.

Urban Media of Michigan, Inc. U-12353 Surrender 7/11/2001 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed on 3/29/00, order approving appl issued 6/19/00

US Signal Company, L.L.C. U-12895 Initial 8/16/2001 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under RVP Fiber Company, L.L.C.

Page 88 Company Name Case No. App Type Order Date Decision Interconnection Tariff

US Xchange of Michigan, L.L.C., d/b/a U-11493 Initial 11/7/1997 Approved AT&T MI Earthlink Business I Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

USBG Inc. U-12355 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 3/20/00. Order approving appl issued 7/6/00. License revoked through Commission's Own Motion in Case No. U-15237.

Utility Network Authority MI, LLC U-18125 Initial 12/20/2016 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: No temporary license was issued in U-18125

VarTec Telecom, Inc. U-13128 Surrender 8/22/2006 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Tariff filed for SBC territory Initial appl filed 10/1/01, ordering granting appl issued 1/8/02.

VCI Company, dba Vilaire U-14634 Surrender 3/5/2009 Accepted AT&T MI Communications Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 9/14/05. Temporary license was issued 10/18/05

Permanent license issued on 12/20/05.

Vectris Telecom, Inc. U-12288 Surrender 7/11/2001 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed on 1/21/00, order issued 4/24/00

Page 89 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Velocity, A Managed Services Company, U-16001 Initial 9/29/2009 Approved None Inc. Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 8/25/09

Verizon Advanced Data, Inc. U-12504 Surrender 7/10/2002 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered agreement no longer in Application effect

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial appl filed 6/29/00 & order issued 10/24/00.

Verizon Avenue Corp. U-13485 Surrender 4/13/2006 Accepted Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: initial appl filed 7/19/02, order issued 11/7/02 Order issued under OnePoint Communications -- Illinois, LLC

Verizon Select Services, Inc. U-11440 Surrender 2/12/2015 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under GTE Communications Corporation Initial application filed 6/16/1997. License issued 12/12/1997

Vero Fiber Networks, LLC U-20048 Initial 5/30/2018 Approved CenturyTel Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 3/15/2018

Vertex Broadband, Corp. U-13332 Surrender 12/4/2008 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Filed application for license on 1/22/02. Commission approved permanent license in order dated 6/21/02.

Page 90 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Vitcom LLC U-17683 Surrender 6/7/2019 Accepted AT&T MI agreement no Geographic Area/Incumbent Territory where licensed: Surrendered longer in effect Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 10/7/2014. Intitial application filed 7/30/14. Order approving appl issued 12/18/14

Vitts Networks, Inc. U-12500 Surrender 5/15/2001 Accepted None Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 6/26/00, Commission granted license 10/6/00.

VOIP Telecom, LLC U-14967 Surrender 12/6/2011 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 7/14/2006 temporary license issued 10/24/06 Permanent license issued 12/12/06

Vota Telephone LLC, dba Votatel U-14540 Initial 12/1/2009 Revoked AT&T MI agreement no Application longer in effect Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Also requests TDS Telecom companies and Frontier Communications of Michigan, Inc. ILEC exchanges. Additional License Info: Original application filed 5/31/05. Order granting application issued 10/18/05. License revoked through Commission's Own Motion Order in Case No. U-16072.

VoxBeam Telecommunications Inc. U-16514 Surrender 9/10/2020 Approved AT&T MI Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 12/3/2010. Order approving application issued 5/26/2011. Temporary license approved 4/12/2011

Voxity Telecom, Inc. U-16953 Initial 6/26/2012 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 91 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Voyant Communications, LLC f/k/a Zayo U-16142 Initial 2/8/2010 Approved None Enterprise Networks, LLC Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Temporary license issued 12/18/09 License issued under Zayo Enterprise Networks, LLC

Waypoint Fiber Networks, LLC U-13090 Initial 4/14/2016 Revoked AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Initial application filed 9/10/2001 Permanent license issued 1/22/2002

License revoked under Commission's Own Motion in Case No. U-18008

Westphalia Broadband, Inc. U-14119 Initial 7/22/2004 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Tariff filed for Dewitt, St. Johns and Fowler-Pewamo exchanges served by Verizon North. Temporary license order issued 6/3/04. License issued under Westphalia Broadband, Inc.

Westphalia Telephone Company U-12277 Initial 4/11/2000 Approved AT&T MI Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Amended to include Portland exchange served by SBC Ameritech & Dewitt, Fowler-Pewamo, Grand Ledge & St. Johns exchanges served by Verizon North. Additional License Info: Tariff filed for original territory only.

Westphalia Telephone Company U-14051 1st Expansion 4/20/2004 Accepted Geographic Area/Incumbent Territory where licensed: Withdrawn Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Requested expansion into all incumbent territories. Additional License Info: Expansion appl filed 3/2/04.

Wholesale Carrier Services, Inc. U-15392 Initial 11/8/2007 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 10/9/07

Page 92 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Wide Voice, LLC U-17561 Initial 6/19/2014 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 5/2/2014

WilTel Local Network, LLC U-12319 Initial 4/11/2000 Accepted AT&T MI agreement no Application Withdrawn longer in effect Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Appl filed 2/11/00.

WilTel Local Network, LLC U-12590 Surrender 10/21/2008 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: This application was initially denied by Commmission order 2/22/01 Initial application filed 9/1/00. Commission order granting license issued 5/15/01.

WiMacTel, Inc. d/b/a Intellicall Operator U-16540 Surrender 9/23/2016 Accepted AT&T MI agreement no Services of North America Surrendered longer in effect Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license granted 3/17/2011 Permanent license granted 4/12/2011 License issued under WiMacTel, Inc.

Windstream KDL, LLC U-14405 Initial 6/7/2005 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: License issued under Kentucky Data Link, Inc.

Windstream New Edge, LLC f.k.a. U-12173 Initial 2/9/2000 Approved AT&T MI, Frontier fka EarthLink Business, LLC Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Page 93 Company Name Case No. App Type Order Date Decision Interconnection Tariff

Windstream Norlight LLC U-13863 Initial 11/4/2003 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license order issued 9/30/2003. License issued under Cinergy Communications Company, dba EarthCall Communications.

Windstream NTI, LLC U-14359 Surrender 2/18/2021 Accepted AT&T MI Geographic Area/Incumbent Territory where licensed: Surrendered Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: All zone and exchange areas throughout the state of Michigan. Additional License Info: License issued under Norlight Telecommunications, Inc. Original application filed 11/23/04. License granted 3/29/05

Winn Telephone Company dba Winn U-20840 1st Expansion Telecom Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Winn requests authority to expand the geographic area of its current licensed service area to encompass all the zones and exchange areas in the State of Michigan for which it does not currently have a license. Additional License Info: Filed on 6/12/20 and amended on 7/6/20

Winn Telephone Company dba Winn U-15368 Initial 12/4/2007 Approved AT&T MI, Frontier fka Telecom Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: The Winn Telephone Company exchange and throughout the state of Michigan in the zones and exchanges currently served by AT&T Michigan, Verizon North Inc. and Contel of the South, Inc. d/b/a Verizon North Systems. Additional License Info: Temporary license issued 10/25/07 Tariff filed under U-15368 for various exchanges.

Winstar Communications, LLC U-11310 1st Expansion 4/24/1997 Approved Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: Only, AT&T MI agreement no longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under MIDCOM Communications, Inc.,

Winstar Communications, LLC U-11037 Initial 12/1/2009 Revoked AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Ann Arbor, Armada, Auburn Hills, Belleville, Birmingham, Carleton, Center Line, Clarkston, Commerce, Detroit, Drayton Plains, Farmington, Flat Rock, Holly, Lake Orion, Livonia, Milan, Monroe, Mt. Clemens, New Baltimore, New Boston, New Haven, Northville, Plymouth, Pontiac, Rockwood, Rochester, Romeo, Romulus, Roseville, Royal Oak, South Lyon, Southfield, Trenton, Troy, Utica, Washington, Walled Lake, Warren, Wayne, West Bloomfield, Willis, Wyandotte & Ypsilanti served by SBC Michigan Additional License Info: Order issued under Winstar Wireless of Michigan, Inc. Original application filed 2/13/96. Order granting application issued 6/26/96. License revoked through Commission's Own Motion Order in Case No. U-16072.

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X2 Comm, Inc. U-14095 Initial 8/10/2004 Accepted Application Withdrawn Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Application originally filed 3/26/04

Xclutel, LLC U-20301 Initial 3/7/2019 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Xiber LLC U-20999 Initial 5/26/2021 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Pontiac exchange served by AT&T Michigan Additional License Info: Temporary Issued on 4/21/21

XO Communications Services, LLC U-14376 Initial 2/24/2005 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Temporary license issued 12/21/04

XO Michigan, Inc. U-11668 Surrender 6/7/2005 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Ann Arbor, Belleville, Milford-White Lake, Mt. Clemens, Northville, Ortonville, Plymouth, South Lyon, Utica, Ypsilanti, the Pontiac district exchange & the Detroit district district zones of Birmingham, Centerline, Detroit, Farmington, Livonia, West Bloomfield, Romulus, Roseville, Royal Oak, Southfield, Troy, Warren, Wayne, Wyandotte served by SBC Ameritech or Verizon North Additional License Info: Order issued under NextLink Michigan, Inc. Original appl filed 4/7/98, order issued 7/13/98.

XO Michigan, Inc. U-12232 Surrender 6/7/2005 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Exchanges of Alma, Ann Arbor, Bay City, Flint, Holly, Howell, Lapeer, Marine City, Midlan, Monroe, Mt. Clemens, Mt. Pleasant, New Boston, Northville, Owosso, Port Huron, Romeo, Saginaw, St. Clair & Trenton Additional License Info: Order issued under NextLink Michigan, Inc. 1st Expansion filed 12/7/99, order issued 3/3/00

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XO Michigan, Inc. U-13617 Surrender 6/7/2005 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Order issued under XO Michigan 2nd Expansion filed 10/31/02, temporary license approved by order 12/6/02. Permanent order issued 1/21/03.

Ygnition Networks, Inc. U-15052 Initial 12/1/2009 Revoked AT&T MI/Frontier fka Application Verizon agreements no Geographic Area/Incumbent Territory where licensed: longer in effect ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: temporary license issued 12/12/06. Original application filed 9/13/06. Order granting application issued 1/9/07. License revoked through Commission's Own Motion Order in Case No. U-16072.

Yipes Transmission, Inc. U-12555 Surrender 1/21/2003 Accepted AT&T MI, Frontier fka Geographic Area/Incumbent Territory where licensed: Surrendered Verizon Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: Original application filed 8/7/00, order issued 11/2/00.

YMax Communications Corp. U-14826 Initial 6/27/2006 Approved AT&T MI, Frontier fka Application Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info:

Zayo Bandwidth, LLC U-15755 Initial 10/20/2011 Accepted AT&T MI Application Surrendered Geographic Area/Incumbent Territory where licensed: Application

ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan. Additional License Info: Application for license filed on 12/22/08 Temporary license issued on 2/3/09 Permanent license issued on 3/5/09

Zayo Group, LLC U-16548 Initial 4/12/2011 Approved Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Throughout the state of Michigan Additional License Info: Temporary License granted 3/17/2011

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Zenk Group, Ltd. U-12057 Initial 2/23/2012 Revoked Frontier fka Verizon Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: In the LATA exchanges currently served by Ameritech Michigan Additional License Info: Initial license filed on 8/10/1999and issued 11/16/1999. License revoked through Commission's Own Motion Order in Case No. U-16895.

Zenk Group, Ltd. U-15023 1st Expansion 2/23/2012 Revoked Frontier fka Verizon Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: Additional License Info: temporary license issued 9/12/06 Initial expansion applcation filed 8/17/2006 and issued 11/9/2006. License revoked through Commission's Own Motion Order in Case No. U-16895.

Zephion Networks Communications, Inc. U-12785 Initial 9/11/2007 Revoked None Application Geographic Area/Incumbent Territory where licensed: ATT MI Frontier North Frontier Midstates CenturyTel Other: All zones & exchanges in the state of Michigan Additional License Info: Initial application filed 1/10/01. Order approving appl issued 5/15/01. License revoked through Commission's Own Motion in Case No. U-15237.

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