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State of - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date 1 800 Collect Inc ACTIVE TELECOM ACTIVE 11/15/2011 365 Wireless LLC ACTIVE TELECOM ACTIVE 08/15/2015 800 Response Information Services LLC ACTIVE TELECOM ACTIVE 05/09/2005 A+ Conferencing LTD ACTIVE TELECOM ACTIVE 03/03/2009 Access Long Distance Inc ACTIVE TELECOM ACTIVE 04/01/2011 Access Media Holdings LLC ACTIVE TELECOM ACTIVE 09/29/2016 Access One Inc ACTIVE TELECOM ACTIVE 09/26/2001 Access Point Inc ACTIVE TELECOM ACTIVE 05/15/2001 AccessLine Communications Corporation ACTIVE TELECOM ACTIVE 10/27/2004 ACN Communication Services LLC ACTIVE TELECOM ACTIVE 02/21/2001 ADG Telecom LLC ACTIVE TELECOM ACTIVE 01/31/2017 Advanced Integrated Technologies Inc ACTIVE TELECOM ACTIVE 09/10/2003 Advantage Corp ACTIVE TELECOM ACTIVE 09/26/2001 Affinity Network Inc ACTIVE TELECOM ACTIVE 05/09/2001 Affordable Long Distance LLC ACTIVE TELECOM ACTIVE 05/12/2009 Agate Mutual Telephone Cooperative ACTIVE TELECOM ACTIVE 08/21/2000 Association Airespring Inc ACTIVE TELECOM ACTIVE 06/13/2006 Airinet Inc ACTIVE TELECOM ACTIVE 10/18/2006 Airus, Inc ACTIVE TELECOM ACTIVE 09/10/2009 Alaska Native Broadband 1 License LLC ACTIVE TELECOM ACTIVE 10/04/2005 Alliance Global Networks LLC ACTIVE TELECOM ACTIVE 12/05/2008 Alliant Technologies LLC ACTIVE TELECOM ACTIVE 02/07/2017 Allo Communications LLC PENDING TELECOM ACTIVE 03/16/2016 Communications Inc (akaVerizon ACTIVE TELECOM ACTIVE 11/02/2001 Wireless) America Net LLC ACTIVE TELECOM ACTIVE 03/11/2002 American Fiber Network Inc dba Ionex ACTIVE TELECOM ACTIVE 07/28/2005 Communications North Inc American Messaging Services, LLC ACTIVE TELECOM ACTIVE 06/07/2006 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 1 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date American Telecommunications Systems Inc ACTIVE TELECOM ACTIVE 05/15/2001 AmeriVision Communications Inc dba Affinity 4 ACTIVE TELECOM ACTIVE 10/12/2001 ANPI Business, LLC ACTIVE TELECOM ACTIVE 08/23/2000 ANPI LLC ACTIVE TELECOM ACTIVE 10/28/1998 AT&T Corp ACTIVE TELECOM ACTIVE 07/11/2000 Bandwidth.com CLEC LLC dba Bandwidth.com ACTIVE TELECOM ACTIVE 10/26/2007 BCM One, Inc. ACTIVE TELECOM ACTIVE 05/21/2002 BCN Telecom Inc ACTIVE TELECOM ACTIVE 05/18/2000 Beacon Integrated Technologies Inc. ACTIVE TELECOM ACTIVE 03/06/2017 Beep West, Inc. ACTIVE TELECOM ACTIVE 03/22/2006 BetterWorld Telecom LLC ACTIVE TELECOM ACTIVE 05/02/2007 Beulahland Communications Inc ACTIVE TELECOM ACTIVE 11/05/2001 Big River Telephone Company LLC ACTIVE TELECOM ACTIVE 08/04/2008 Big Sandy Telecom Inc ACTIVE TELECOM ACTIVE 08/21/2000 Bijou Telephone Cooperative Association ACTIVE TELECOM ACTIVE 08/23/2000 Blanca Telephone Company ACTIVE TELECOM ACTIVE 08/21/2000 BLC Management LLC DBA Angles ACTIVE TELECOM ACTIVE 06/27/2008 Communication Solutions Blue Jay Wireless, LLC ACTIVE TELECOM ACTIVE 07/23/2012 Boomerang Wireless LLC ACTIVE TELECOM ACTIVE 08/14/2012 Boost Mobile ACTIVE TELECOM ACTIVE 02/28/2014 Brainstorm Industries Inc ACTIVE TELECOM ACTIVE 11/08/2004 Bresnan Broadband of Colorado LLC ACTIVE TELECOM ACTIVE 05/24/2004 Broadband Dynamics LLC ACTIVE TELECOM ACTIVE 04/02/2003 Broadview Networks Inc ACTIVE TELECOM ACTIVE 11/19/2007 Broadvox-CLEC LLC ACTIVE TELECOM ACTIVE 02/26/2009 Broadwing Communications LLC (Also See ACTIVE TELECOM ACTIVE 10/12/2001 Level 3) BT Communications Sales LLC ACTIVE TELECOM ACTIVE 06/24/1999 Budget PrePay Inc ACTIVE TELECOM ACTIVE 01/11/2002 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 2 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Buehner-Fry Inc ACTIVE TELECOM ACTIVE 05/14/1994 BullsEye Telecom Inc ACTIVE TELECOM ACTIVE 10/10/2002 Business Discount Plan, Inc ACTIVE TELECOM ACTIVE 09/26/2001 Business Network Long Distance Inc ACTIVE TELECOM ACTIVE 01/29/2003 Business Telecom LLC ACTIVE TELECOM ACTIVE 05/27/1993 Cable & Wireless America Operations Inc ACTIVE TELECOM ACTIVE 09/26/2001 CableCo LLC ACTIVE TELECOM ACTIVE 08/23/2004 Cause Based Commerce Inc dba Sienna Group ACTIVE TELECOM ACTIVE 12/26/2006 Cbeyond Communications LLC ACTIVE TELECOM ACTIVE 08/02/2000 CBTS Technology Solutions LLC ACTIVE TELECOM ACTIVE 12/18/2003 CCI Network Services, LLC ACTIVE TELECOM ACTIVE 12/05/2005 Cellular Inc Network Corp () ACTIVE TELECOM ACTIVE 06/06/2005 Central Telecom Long Distance Inc ACTIVE TELECOM ACTIVE 06/23/2008 CenturyLink Communications LLC ACTIVE TELECOM ACTIVE 08/05/1998 CenturyLink Public Communications, Inc. ACTIVE TELECOM ACTIVE 03/03/2009 CenturyTel of Colorado Inc dba CenturyLink ACTIVE TELECOM ACTIVE 08/23/2000 CenturyTel Of Eagle Inc dba CenturyLink ACTIVE TELECOM ACTIVE 08/23/2000 Citrix Communications LLC PENDING TELECOM ACTIVE 08/08/2014 City Communications, Inc. ACTIVE TELECOM ACTIVE 05/21/2014 City of Glenwood Springs ACTIVE TELECOM ACTIVE 01/07/2016 Clear World Communications Corporation ACTIVE TELECOM ACTIVE 05/09/2001 Coast International Inc ACTIVE TELECOM ACTIVE 02/22/1999 07/11/2013 Colorado 7 Saguache (Verizon) ACTIVE TELECOM ACTIVE 01/01/2001 Colorado RSA No. 3 LP (Verizon) ACTIVE TELECOM ACTIVE 01/01/2001 Columbine Telephone Company ACTIVE TELECOM ACTIVE 08/23/2000 Phone of Colorado LLC ACTIVE TELECOM ACTIVE 04/25/2001 Commnet Four Corners LLC (Commnet ACTIVE TELECOM ACTIVE 11/24/2008 Wireless) Common Point LLC ACTIVE TELECOM ACTIVE 09/20/2011 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 3 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date CommPartners, LLC ACTIVE TELECOM ACTIVE 06/04/2004 Communications Network Billing Inc ACTIVE TELECOM ACTIVE 12/23/2003 Complete Telecommunications Inc ACTIVE TELECOM ACTIVE 12/18/2000 Compuconnection Network Corporation ACTIVE TELECOM ACTIVE 05/23/2000 ComTech21 LLC ACTIVE TELECOM ACTIVE 07/31/2000 Consolidated Telecom Inc. ACTIVE TELECOM ACTIVE 07/07/2016 Consumer Cellular Inc ACTIVE TELECOM ACTIVE 06/07/2005 Consumer Telecom Inc ACTIVE TELECOM ACTIVE 05/01/2007 Convergia Inc ACTIVE TELECOM ACTIVE 02/04/2002 Cox Colorado Telcom, L.L.C. ACTIVE TELECOM ACTIVE 02/18/2004 Crexendo Business Solutions Inc ACTIVE TELECOM ACTIVE 11/01/2010 Cricket Wireless LLC ACTIVE TELECOM ACTIVE 04/10/2014 CTC Communications Corp. dba EarthLink ACTIVE TELECOM ACTIVE 05/11/2001 Business Custom Network Solutions Inc. ACTIVE TELECOM ACTIVE 09/27/2001 Custom Teleconnect Inc ACTIVE TELECOM ACTIVE 01/12/1998 Cytracom LLC ACTIVE TELECOM ACTIVE 08/09/2016 DCT Telecom Group, Inc ACTIVE TELECOM ACTIVE 07/19/2004 Delta County Tele-Comm Inc ACTIVE TELECOM ACTIVE 08/21/2000 DeltaCom, Inc ACTIVE TELECOM ACTIVE 05/05/2006 deltathree, LLC ACTIVE TELECOM ACTIVE 07/06/2016 Digium Cloud Services LLC ACTIVE TELECOM ACTIVE 08/12/2014 Discount Long Distance, LLC ACTIVE TELECOM ACTIVE 01/22/2010 DishNET Wireline LLC ACTIVE TELECOM ACTIVE 09/29/2003 Dollar Phone Enterprise Inc. dba DPE ACTIVE TELECOM ACTIVE 11/24/2008 dpi-Teleconnect LLC ACTIVE TELECOM ACTIVE 05/02/2000 DSCI, LLC ACTIVE TELECOM ACTIVE 06/17/2014 Dubois Telephone Exchange Inc ACTIVE TELECOM ACTIVE 08/21/2000 Eastern Colorado Independent Networks Inc ACTIVE TELECOM ACTIVE 07/05/2000 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 4 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Eastern Slope Rural Telephone Association Inc ACTIVE TELECOM ACTIVE 09/11/2000 Easton Telecom Services L.L.C. ACTIVE TELECOM ACTIVE 04/12/2002 Company ACTIVE TELECOM ACTIVE 09/11/2000 Elbert County Wireless LLC (Commnet ACTIVE TELECOM ACTIVE 11/24/2008 Wireless) Electric Lightwave, LLC (a.k.a. Integra ACTIVE TELECOM ACTIVE 10/26/1998 Telecom) Encartele Inc ACTIVE TELECOM ACTIVE 03/13/2012 Enhanced Communications Group LLC ACTIVE TELECOM ACTIVE 09/30/1999 Enhanced Communications Network, Inc. ACTIVE TELECOM ACTIVE 10/20/1998 EnTelegent Solutions Inc ACTIVE TELECOM ACTIVE 03/12/2009 Eschelon Telecom of Colorado Inc dba Integra ACTIVE TELECOM ACTIVE 04/19/2000 Telecom Euro Connect, Inc. ACTIVE TELECOM ACTIVE 04/04/2005 everwave, LLC d/b/a Everwave.com ACTIVE TELECOM ACTIVE 02/23/2005 FairPoint Carrier Services, Inc. ACTIVE TELECOM ACTIVE 11/21/2000 Falcon Broadband Inc ACTIVE TELECOM ACTIVE 10/10/1997 Farmers Telecommunications Inc ACTIVE TELECOM ACTIVE 04/13/2006 Farmers Telephone Company Inc ACTIVE TELECOM ACTIVE 09/11/2000 FastTrack Communications Inc ACTIVE TELECOM ACTIVE 06/12/2003 FiberLink Connection, LLC ACTIVE TELECOM ACTIVE 06/23/2000 First Choice Technology, Inc. ACTIVE TELECOM ACTIVE 03/21/2005 First Communications LLC ACTIVE TELECOM ACTIVE 08/22/2006 Flash Wireless LLC ACTIVE TELECOM ACTIVE 04/03/2012 Fone Net, LLC ACTIVE TELECOM ACTIVE 08/10/2000 Fones West ACTIVE TELECOM ACTIVE 03/22/2006 France Telecom Corporate Solutions LLC ACTIVE TELECOM ACTIVE 11/21/2002 Franz, Inc. d.b.a. Telelight, Inc. ACTIVE TELECOM ACTIVE 11/05/2001 of America, Inc. ACTIVE TELECOM ACTIVE 02/15/1996

d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 5 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Futurum Communications Corporation dba ACTIVE TELECOM ACTIVE 11/15/2003 forethought Gazelle Link LLC ACTIVE TELECOM ACTIVE 09/19/2011 GC Pivotal LLC ACTIVE TELECOM ACTIVE 09/30/2014 Global Connection Inc of America ACTIVE TELECOM ACTIVE 05/07/2004 Local Service, Inc. (see Level ACTIVE TELECOM ACTIVE 05/21/1998 3) Global Crossing Telecommunications, Inc. (See ACTIVE TELECOM ACTIVE 07/31/1998 Level 3) Globalstar USA, LLC ACTIVE TELECOM ACTIVE 03/03/2006 GPSPS, Inc. ACTIVE TELECOM ACTIVE 02/07/2014 Grand Valley Telecommunications Inc ACTIVE TELECOM ACTIVE 09/05/2003 Granite Telecommunications LLC ACTIVE TELECOM ACTIVE 09/16/2003 Grasshopper Group, LLC ACTIVE TELECOM ACTIVE 10/26/2009 Great Plains Communications ACTIVE TELECOM ACTIVE 08/21/2000 GreatCall, Inc. ACTIVE TELECOM ACTIVE 03/03/2009 Greenfly Networks Inc dba Clearfly ACTIVE TELECOM ACTIVE 09/18/2008 Communications Haxtun Telephone Company ACTIVE TELECOM ACTIVE 08/21/2000 HELIO, LLC ACTIVE TELECOM ACTIVE 03/03/2009 Horizon River Technologies LLC ACTIVE TELECOM ACTIVE 02/15/2017 Hosted Solutions, LLC ACTIVE TELECOM ACTIVE 06/03/2008 Hughes Network Systems LLC ACTIVE TELECOM ACTIVE 08/12/2014 Hunt Telecommunications, LLC ACTIVE TELECOM ACTIVE 04/14/2014 i-wireless, LLC ACTIVE TELECOM ACTIVE 07/06/2007 iBasis Inc ACTIVE TELECOM ACTIVE 03/27/2008 ICG Telecom Group, Inc. (Also See Level 3) ACTIVE TELECOM ACTIVE 01/01/1997 ICIM Corporation ACTIVE TELECOM ACTIVE 08/29/2017 iCore Networks Inc. ACTIVE TELECOM ACTIVE 02/19/2015 Icore Networks, Inc. ACTIVE TELECOM ACTIVE 04/15/2016 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 6 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date IDT America Corp ACTIVE TELECOM ACTIVE 12/03/1998 iLOKA Inc dba Newcloud Networks ACTIVE TELECOM ACTIVE 05/20/2002 inContact Inc ACTIVE TELECOM ACTIVE 08/23/1999 Infotelecom LLC REVOKED TELECOM ACTIVE 12/10/2004 Inmark, Inc. ACTIVE TELECOM ACTIVE 11/05/1999 Inmate Calling Solutions, LLC d/b/a IC ACTIVE TELECOM ACTIVE 02/15/2005 Solutions Integra Telecom Holdings, Inc. ACTIVE TELECOM ACTIVE 03/08/2006 Integrated Services, Inc. ACTIVE TELECOM ACTIVE 09/25/2006 Intelletrace Inc ACTIVE TELECOM ACTIVE 01/28/2008 Intellicall Operator Services Inc ACTIVE TELECOM ACTIVE 02/28/1993 Interface Security Systems LLC ACTIVE TELECOM ACTIVE 07/06/2016 International Telcom Ltd. ACTIVE TELECOM ACTIVE 04/18/2001 Interstate Telecommunications, Inc. ACTIVE TELECOM ACTIVE 02/09/2007 InTTec, Inc. ACTIVE TELECOM ACTIVE 09/16/2004 Ionex Communications North LLC dba Birch ACTIVE TELECOM ACTIVE 08/10/1998 Communications IPC Network Services, Inc. ACTIVE TELECOM ACTIVE 02/10/2006 JEM Communications, Inc. ACTIVE TELECOM ACTIVE 08/01/2014 Jilapuhn Inc ACTIVE TELECOM ACTIVE 11/13/2007 KDDI America, Inc. ACTIVE TELECOM ACTIVE 02/05/2001 Kentec Communications, Inc. ACTIVE TELECOM ACTIVE 08/27/2001 KLNT Enterprises, LLC, dba BroadSpoke ACTIVE TELECOM ACTIVE 05/18/2006 LCR Telecommunications, LLC ACTIVE TELECOM ACTIVE 07/30/1998 LDC Group LLC ACTIVE TELECOM ACTIVE 12/04/2012 Leap Frog Telecom, LLC ACTIVE TELECOM ACTIVE 05/30/2012 Legacy Long Distance International, Inc. ACTIVE TELECOM ACTIVE 12/15/1980 Legent Comm LLC ACTIVE TELECOM ACTIVE 10/19/2001 LLC ACTIVE TELECOM ACTIVE 07/24/1998 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 7 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Level 3 Telecom of Colorado, LLC. ACTIVE TELECOM ACTIVE 01/02/2001 Lifeconnex Telecom, LLC REVOKED TELECOM ACTIVE 09/21/2009 Linkup Telecom, Inc. ACTIVE TELECOM ACTIVE 05/17/2012 Live Wire Networks Inc ACTIVE TELECOM ACTIVE 09/13/2001 Local Access LLC ACTIVE TELECOM ACTIVE 06/06/2013 Long Distance Access Inc ACTIVE TELECOM ACTIVE 07/19/2007 Long Distance Consolidated Billing Co. ACTIVE TELECOM ACTIVE 11/26/1999 Lotel Inc. ACTIVE TELECOM ACTIVE 11/05/1999 LRM-COM Inc ACTIVE TELECOM ACTIVE 11/17/2011 LSSi Corporation ACTIVE TELECOM ACTIVE 07/11/2003 Lycamobile USA Inc. ACTIVE TELECOM ACTIVE 10/30/2017 MASSComm Inc. ACTIVE TELECOM ACTIVE 09/20/2016 Matrix Telecom LLC ACTIVE TELECOM ACTIVE 02/19/1999 Matrix Telecom LLC fka Matrix Telecom Inc. ACTIVE TELECOM ACTIVE 01/29/1999 dba Matrix Business Technologies dba Trinsic Communications dba Vartec Telecom dba Excel Telecommunications dba Clear Choice Communications MCI Communications Services Inc. d.b.a. ACTIVE TELECOM ACTIVE 07/04/1998 Verizon Business Services MCIMetro Access Transmission Services Corp ACTIVE TELECOM ACTIVE 03/01/1997 dba Verizon Access Transmission McLeodUSA Telecommunications Services ACTIVE TELECOM ACTIVE 08/15/1997 LLC dba Paetec Business Services Meriplex Telecom, LLC ACTIVE TELECOM ACTIVE 07/16/2012 MetroPCS , LLC ACTIVE TELECOM ACTIVE 02/05/2014 Metropolitan Telecommunications of Colorado ACTIVE TELECOM ACTIVE 09/04/2001 Inc Midwestern Telecommunications, Inc. ACTIVE TELECOM ACTIVE 06/14/2010 Miracle Communications, Inc. ACTIVE TELECOM ACTIVE 08/25/1999 Mitel Cloud Services, Inc. ACTIVE TELECOM ACTIVE 03/23/1999 MJ2IP LLC ACTIVE TELECOM ACTIVE 06/03/2014 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 8 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Mobile Radio Communications Service, Inc. ACTIVE TELECOM ACTIVE 03/10/2006 Mosaic NetworX LLC ACTIVE TELECOM ACTIVE 04/18/2011 Mountain Communications, Inc. ACTIVE TELECOM ACTIVE 03/22/2006 Mountain Computer Wizards, Inc. ACTIVE TELECOM ACTIVE 06/08/2005 Mountain Message Service ACTIVE TELECOM ACTIVE 03/22/2006 Multiline Long Distance, Inc. ACTIVE TELECOM ACTIVE 11/30/2006 National Access Long Distance, LLC ACTIVE TELECOM ACTIVE 07/24/2003 National ComTel LLC ACTIVE TELECOM ACTIVE 02/22/2007 Nationwide Long Distance Service, Inc. ACTIVE TELECOM ACTIVE 05/05/2006 Navigator Telecommunications, LLC ACTIVE TELECOM ACTIVE 07/25/2005 NE Colorado Cellular, Inc. ACTIVE TELECOM ACTIVE 08/29/2000 Nebraska Technology and Telecommunications ACTIVE TELECOM ACTIVE 08/22/2006 Inc NECC Telecom, Inc. ACTIVE TELECOM ACTIVE 08/22/2002 Neon Phone Service, Inc ACTIVE TELECOM ACTIVE 09/08/2016 Net One International, Inc. ACTIVE TELECOM ACTIVE 10/15/1999 NetFortris Acquisition Co. Inc. ACTIVE TELECOM ACTIVE 09/02/2014 NetstaffHR, Inc. ACTIVE TELECOM ACTIVE 04/14/2014 Netwolves Network Services, LLC ACTIVE TELECOM ACTIVE 09/27/2010 Network Billing Systems LLC ACTIVE TELECOM ACTIVE 04/19/1998 Network Communications International Corp. ACTIVE TELECOM ACTIVE 07/03/1999 Network Innovations, Inc. ACTIVE TELECOM ACTIVE 05/17/2006 Network Service Billing, Inc. ACTIVE TELECOM ACTIVE 08/09/2005 NetworkIP, LLC d.b.a. Elite Telecom ACTIVE TELECOM ACTIVE 01/02/2000 Neutral Tandem-Colorado LLC, d.b.a. ACTIVE TELECOM ACTIVE 11/18/2004 Inteliquent New Cingular Wireless PCS LLC ACTIVE TELECOM ACTIVE 10/07/2005 New Edge Network, Inc. ACTIVE TELECOM ACTIVE 09/14/1999 New Horizons Communications Corp. ACTIVE TELECOM ACTIVE 10/13/2006 Nex-Tech Wireless LLC ACTIVE TELECOM ACTIVE 05/08/2006 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 9 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Nextel West Corp. ACTIVE TELECOM ACTIVE 05/31/2000 Nextiva, Inc. ACTIVE TELECOM ACTIVE 08/30/2017 Nexus Communications, Inc. ACTIVE TELECOM ACTIVE 09/27/2012 nexVortex, Inc. ACTIVE TELECOM ACTIVE 08/30/2017 NNTC Wireless, LLC ACTIVE TELECOM ACTIVE 11/17/2008 NobelTel, LLC ACTIVE TELECOM ACTIVE 10/04/2002 Norlight Telecommunications, Inc. ACTIVE TELECOM ACTIVE 03/28/2002 Norlight, Inc. ACTIVE TELECOM ACTIVE 12/16/2008 Norstar Telecommunications LLC ACTIVE TELECOM ACTIVE 08/25/2006 Northern Colorado Communications, LLC ACTIVE TELECOM ACTIVE 04/03/2002 NOS Communications Inc ACTIVE TELECOM ACTIVE 01/05/1999 NOSVA Limited Partnership d.b.a. CierraCom ACTIVE TELECOM ACTIVE 01/05/1999 Systems NSW Telecom, Inc. ACTIVE TELECOM ACTIVE 05/15/2009 NTCH-Colorado, LLC ACTIVE TELECOM ACTIVE 01/01/2001 NTS Communications Inc. dba Rocky Mountain ACTIVE TELECOM ACTIVE 04/01/1994 NTS Communications NTT America, Inc. ACTIVE TELECOM ACTIVE 08/24/2001 Nucla-Naturita Telephone Company ACTIVE TELECOM ACTIVE 08/23/2000 Nunn Communications, LLC ACTIVE TELECOM ACTIVE 10/04/2004 Nunn Telephone Company ACTIVE TELECOM ACTIVE 08/21/2000 Office Partners Inc ACTIVE TELECOM ACTIVE 08/06/2008 Online Savings Inc. ACTIVE TELECOM ACTIVE 08/18/2009 Onstar, LLC ACTIVE TELECOM ACTIVE 06/06/2005 Onvoy, LLC ACTIVE TELECOM ACTIVE 04/24/2008 Operator Service Company LLC ACTIVE TELECOM ACTIVE 01/18/1993 OPEX Communications, Inc. ACTIVE TELECOM ACTIVE 06/24/1999 Patriot Mobile, LLC ACTIVE TELECOM ACTIVE 05/08/2014 PC Telecorp, Inc. ACTIVE TELECOM ACTIVE 04/13/2006 Peak Communications Inc ACTIVE TELECOM ACTIVE 11/13/2008 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 10 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Peerless Network of Colorado LLC ACTIVE TELECOM ACTIVE 08/16/2006 Peetz Communications LLC ACTIVE TELECOM ACTIVE 09/25/2006 Peetz Cooperative Telephone Company ACTIVE TELECOM ACTIVE 08/21/2000 People's Operator USA LLC (The) ACTIVE TELECOM ACTIVE 07/09/2015 Phillips County Communications, LLC ACTIVE TELECOM ACTIVE 05/18/2004 Phillips County Telephone Company ACTIVE TELECOM ACTIVE 09/11/2000 Pine Drive Telephone Company ACTIVE TELECOM ACTIVE 08/23/2000 Pioneer Telephone Association Inc ACTIVE TELECOM ACTIVE 08/23/2000 Plains Communication Services LLC ACTIVE TELECOM ACTIVE 05/25/2006 Plains Cooperative Telephone Assoc Inc ACTIVE TELECOM ACTIVE 08/21/2000 PNG Telecommunications Inc ACTIVE TELECOM ACTIVE 03/01/1999 POPP Communications ACTIVE TELECOM ACTIVE 01/29/1999 Prairie Networks LLC ACTIVE TELECOM ACTIVE 09/21/2007 Preferred Long Distance Inc ACTIVE TELECOM ACTIVE 01/24/2005 Prime Time Ventures, LLC dba Infostructure ACTIVE TELECOM ACTIVE 04/13/2005 Protel Advantage Inc. ACTIVE TELECOM ACTIVE 11/26/1999 Pulse Telecom LLC ACTIVE TELECOM ACTIVE 01/08/2007 Purecom, LLC ACTIVE TELECOM ACTIVE 03/29/2007 Puretalk Holdings, LLC ACTIVE TELECOM ACTIVE 01/17/2013 Q Link Wireless LLC ACTIVE TELECOM ACTIVE 11/08/2011 QuantumShift Communications Inc dba vCom ACTIVE TELECOM ACTIVE 08/06/1999 Solutions Quasar Communications Corporation ACTIVE TELECOM ACTIVE 06/23/2003 Corporation d.b.a. CenturyLink QC ACTIVE TELECOM ACTIVE 07/06/2000 Ready Wireless, LLC ACTIVE TELECOM ACTIVE 10/17/2013 Reduced Rate Long Distance, LLC ACTIVE TELECOM ACTIVE 04/24/2001 Reliance Globalcom Services, Inc ACTIVE TELECOM ACTIVE 10/10/2013 Reliant Communications, Inc. ACTIVE TELECOM ACTIVE 12/24/1998 Residential Long Distance, Inc. ACTIVE TELECOM ACTIVE 03/31/2011 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 11 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Rico Telephone Company Inc ACTIVE TELECOM ACTIVE 08/23/2000 RingCentral Inc. ACTIVE TELECOM ACTIVE 05/27/2016 Rockynet.com Inc ACTIVE TELECOM ACTIVE 02/23/2003 Roggen Telephone Cooperative Company ACTIVE TELECOM ACTIVE 08/23/2000 Roggen Telephone Enterprises, Inc. ACTIVE TELECOM ACTIVE 04/13/2006 Roman LD, Inc. ACTIVE TELECOM ACTIVE 05/17/2011 Rye Telephone Company ACTIVE TELECOM ACTIVE 09/11/2000 S & T Communications LLC ACTIVE TELECOM ACTIVE 05/17/2006 S & T Telephone Cooperative Association Inc ACTIVE TELECOM ACTIVE 01/01/1990 Sage Telecom Communications LLC ACTIVE TELECOM ACTIVE 05/06/2013 San Isabel Cellular Colorado (Verizon) ACTIVE TELECOM ACTIVE 06/06/2005 San Isabel Telecom, Inc. ACTIVE TELECOM ACTIVE 04/01/2000 SBC Long Distance LLC ACTIVE TELECOM ACTIVE 11/01/1997 SECOM ACTIVE TELECOM ACTIVE 06/10/2010 Securus Technologies Inc ACTIVE TELECOM ACTIVE 01/31/1998 Selectel, Inc. ACTIVE TELECOM ACTIVE 05/20/2014 SelectPath Of Colorado, Inc. ACTIVE TELECOM ACTIVE 05/09/2000 SILV COMMUNICATIONS, INC. ACTIVE TELECOM ACTIVE 01/22/2002 South Park Telephone Company ACTIVE TELECOM ACTIVE 11/29/1997 Southwest Communications, Inc. ACTIVE TELECOM ACTIVE 01/28/2004 Spectrotel Inc ACTIVE TELECOM ACTIVE 07/14/2011 Spok, Inc. ACTIVE TELECOM ACTIVE 11/26/1999 Sprint Communications Company LP ACTIVE TELECOM ACTIVE 05/15/1991 Sprint Spectrum L.P. ACTIVE TELECOM ACTIVE 08/16/2002 ST Long Distance, Inc. ACTIVE TELECOM ACTIVE 05/30/2000 Stellus Capital Investment Corporation ACTIVE TELECOM ACTIVE 01/08/2014 Stoneham Cooperative Telephone Corporation ACTIVE TELECOM ACTIVE 08/21/2000 Strasburg Telephone Company ACTIVE TELECOM ACTIVE 08/21/2000 Stratus Networks, Inc. ACTIVE TELECOM ACTIVE 05/21/2007 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 12 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Sunflower Telephone Company Inc ACTIVE TELECOM ACTIVE 09/11/2000 T C Telephone LLC ACTIVE TELECOM ACTIVE 04/18/2016 T-Mobile West LLC ACTIVE TELECOM ACTIVE 08/15/2003 TAG Mobile, LLC ACTIVE TELECOM ACTIVE 10/04/2011 Talk America LLC dba Cavalier Telephone dba ACTIVE TELECOM ACTIVE 02/25/1999 PAETEC Business Services Talk America Services LLC ACTIVE TELECOM ACTIVE 09/19/2014 TDS Broadband Service, LLC ACTIVE TELECOM ACTIVE 10/19/2016 TDS Long Distance Corporation ACTIVE TELECOM ACTIVE 12/28/2000 Telecare, Inc. ACTIVE TELECOM ACTIVE 08/30/2000 Telecom Management, Inc. ACTIVE TELECOM ACTIVE 07/23/2004 Telefonica USA, Inc. ACTIVE TELECOM ACTIVE 03/25/2013 Telemanagement Systems, Inc. ACTIVE TELECOM ACTIVE 08/09/1998 Teleport Communications America, LLC (Also ACTIVE TELECOM ACTIVE 05/20/1996 see AT&T) Telequality Communications, Inc. ACTIVE TELECOM ACTIVE 07/06/2007 Telesphere Networks LTD ACTIVE TELECOM ACTIVE 09/04/2009 TeleUno, Inc. ACTIVE TELECOM ACTIVE 01/23/2001 Telewest IV Inc. ACTIVE TELECOM ACTIVE 04/26/2012 Telewest, Inc. ACTIVE TELECOM ACTIVE 10/20/2002 Telmex USA LLC ACTIVE TELECOM ACTIVE 06/16/2000 Telrite Corporation ACTIVE TELECOM ACTIVE 03/04/2003 Telstar Communications, Inc ACTIVE TELECOM ACTIVE 03/21/2006 Tempo Telecom, LLC ACTIVE TELECOM ACTIVE 07/29/2013 TerraCom, Inc. ACTIVE TELECOM ACTIVE 08/10/2011 Timberline Paging, Inc. ACTIVE TELECOM ACTIVE 04/13/2006 Time Warner Cable Information Services ACTIVE TELECOM ACTIVE 07/09/2008 (Colorado) LLC Toly Digital Networks, Inc. ACTIVE TELECOM ACTIVE 12/30/2010 Toronto Dominion () LLC ACTIVE TELECOM ACTIVE 04/02/2014 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 13 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Total Holdings Inc ACTIVE TELECOM ACTIVE 08/06/2008 TouchTone Communications Inc ACTIVE TELECOM ACTIVE 01/28/2004 TracFone Wireless, Inc. ACTIVE TELECOM ACTIVE 06/05/2009 TTUSA Acquisition, Inc. ACTIVE TELECOM ACTIVE 04/13/2006 Twin City Capital, L.L.C. ACTIVE TELECOM ACTIVE 09/11/2002 U.S. South Communications Inc dba US South ACTIVE TELECOM ACTIVE 06/23/2008 & INCOMM U.S. Telecom Long Distance, Inc. ACTIVE TELECOM ACTIVE 12/03/1998 Uintah Basin Electronics Telecommunications, ACTIVE TELECOM ACTIVE 02/12/2002 Inc. d/b/a Strata Networks Union Telephone Company ACTIVE TELECOM ACTIVE 08/23/2000 Unite Private Networks LLC ACTIVE TELECOM ACTIVE 10/07/2005 United Telecom, Inc ACTIVE TELECOM ACTIVE 03/21/2005 Unity Telecom LLC ACTIVE TELECOM ACTIVE 06/03/2014 UNNV, Inc. ACTIVE TELECOM ACTIVE 09/04/2014 US Connect Wireless LLC ACTIVE TELECOM ACTIVE 10/31/2011 USA Digital Communications, Inc. ACTIVE TELECOM ACTIVE 07/19/2000 Utility Telephone, Inc. ACTIVE TELECOM ACTIVE 01/20/2009 Valley Communications ACTIVE TELECOM ACTIVE 08/06/2008 Vanco US, LLC ACTIVE TELECOM ACTIVE 01/20/2009 Velocity The Greatest Phone Company Ever ACTIVE TELECOM ACTIVE 06/05/2009 Inc Verizon Long Distance LLC ACTIVE TELECOM ACTIVE 08/12/1998 Verizon Select Services Inc ACTIVE TELECOM ACTIVE 07/24/1998 Verizon Wireless (VAW) LLC ACTIVE TELECOM ACTIVE 02/13/2002 Vero Fiber Networks, LLC ACTIVE TELECOM ACTIVE 12/29/2017 Victory Telecom, Inc. ACTIVE TELECOM ACTIVE 01/25/2011 Virgin Mobile USA, LP ACTIVE TELECOM ACTIVE 06/03/2005 Virtual Network Solutions, Inc ACTIVE TELECOM ACTIVE 04/06/2009 Vista Access, LLC ACTIVE TELECOM ACTIVE 04/01/2004 d_rslt_utility_list_all Types = {TELECOM} 04/12/2018 10:18 Prepared by: PUC - Reyna, Ismael Utility Status = ACTIVE Page 14 of 15 State of Colorado - Public Utilities Commission - Integrated Filings Management System (IFMS) Utility List Utility Name Utility Status Type Type Status Effective Date Cancel Date Voicecom Telecommunications, LLC dba ACTIVE TELECOM ACTIVE 01/24/2003 Intelliverse VoIPStreet, Inc ACTIVE TELECOM ACTIVE 04/14/2017 Vonage Business Networks Inc. ACTIVE TELECOM ACTIVE 08/09/2016 Vonage Business Solutions, Inc ACTIVE TELECOM ACTIVE 08/09/2016 VOXtell ACTIVE TELECOM ACTIVE 08/29/2017 Voyant Communications LLC ACTIVE TELECOM ACTIVE 08/25/2008 West Safety Communications Inc ACTIVE TELECOM ACTIVE 11/15/2000 West Telecom Services, LLC ACTIVE TELECOM ACTIVE 07/19/2001 Wholesale Carrier Services Inc ACTIVE TELECOM ACTIVE 06/07/2002 Wiggins Telephone Association ACTIVE TELECOM ACTIVE 08/21/2000 Willard Telephone Company ACTIVE TELECOM ACTIVE 08/21/2000 WilTel Communications, LLC (Also see Level 3) ACTIVE TELECOM ACTIVE 02/18/2004 WiMacTel, Inc. ACTIVE TELECOM ACTIVE 10/21/2010 Windstream Communications, LLC ACTIVE TELECOM ACTIVE 12/22/2005 , Inc. ACTIVE TELECOM ACTIVE 01/09/2017 Windstream NTI, LLC ACTIVE TELECOM ACTIVE 01/19/2016 Windstream NuVox, LLC ACTIVE TELECOM ACTIVE 03/09/2011 Working Assets Funding Service, Inc. dba ACTIVE TELECOM ACTIVE 09/28/1998 Credo Long Distance WTI, LLC ACTIVE TELECOM ACTIVE 02/22/2007 X2Comm, Inc. ACTIVE TELECOM ACTIVE 10/04/2001 XO Communications Services LLC ACTIVE TELECOM ACTIVE 12/13/1998 YMax Communications Corp. ACTIVE TELECOM ACTIVE 03/10/2006 Zayo Group, LLC ACTIVE TELECOM ACTIVE 02/17/2009 ZippyTech Incorporated ACTIVE TELECOM ACTIVE 01/15/2004 Ztar Mobile, Inc. ACTIVE TELECOM ACTIVE 04/03/2006

Total: 406

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