Jun. 4.1996 3:31PM PACTEL _EGAL SF 140 No, 9294 P. 26/37

EXHIBIT 4 (FILED UNDER SEAL) Jun. 4.1996 3:31PM PACTEL LEGAL SF 140 No. 9294 P. 27/37

I, Bonnie Stenson, certify that the folkwiing is true and correct:

I am a citizen ofthe United States, State of , am over eighteen

years of age, and am not a party to the within cause.

My business address is 140 , ,

California 94105.

On June 3, 1996. I seNed the attached ·'S (·U 1001 e")

COST COMPARISON AND IMPLEMENTATION SCHEDULE FOR DEPLOYMENT OF

PERMANENT NUMBER PORTABILITY SOLUTIONS" on R.95-04-043 and 1.95-04-Q44

matters by pladng true copies thereof in envelopes addressed to the parties in the

attached list, which envelopes, with poatage thereon fulty prepaid, I then sealed and

deposited in a mailbox regularly maintained by the United States Govemment in the

City and County of San Francisco, State of California.

Executed this 3rd day of June. 1996, at San Francisco, California.

PACIFIC BELL 140 New Montgomery Street San Francisco, CA 94105 BY:~~~ NIESTiNSON Jun, 4.1996 3:31PM PACTE 'JEGA~ SF 140 No. 9294 P. 28/37

scon JOHNSON. Attorney William A. Ettinger, Attorney AirTouch Communications AT&T Communications of California, Inc. P.O. Box 19707 795 FoIIom Street t3 Pltk Plaza san Francisco, CA 94107 Irvine, CA 92713

Mark E. Brown, Attorney Michael Morris Mel Telecommunications Corp. Teleport Communications Group 201 Spear Street, 9th Floor 201 North Civic Drive. Suite 210 San Francisco, CA 94105 Walnut Creek, CA 94596

Colleen M. O'Grady, Attorney Eart Nicholas Selby, Attorney Pacific Bell Lawofftces of Earl Nicholas Selby 140 New Montgomery Street. Rm. 1513 420 Florence Street, Suite 200 San Franci8c0, CA 94105 Palo Alto, CA 94301

Lee BUrdick, Attorney David Simpson, Attorney Prima Legal services Oavid \\'tison, Attorney 2317 Br08dway, Suite 350 Young, Vagi, Harlick &Wilson Redwood City, CA 94063-1613 425 Califomia Street, Suite 2500 San Francisco, CA 94104

Peter A. Casciato, Attorney James M. Tobin, Attorney CeNular Resellers Association, Inc. Morrieon & Foerster aCallfomia Street, Suite 701 345 California Street San Francisco, cA 94111 San Francisco, CA 94104

Eileen Duff Honorable Thomas R. Pulsifer MCCaw Cellular Communications Adminiatnltive law Judge 1750 Howe Avenue, 3rd Floor 505 Van Ness Ave., Room 5020 Sacramento, CA 95825 San Francisco, CA 94102

2 Jun. 4.1996 3:31PM PACTEL ~EGAL SF 140 No. 9294 P. 29/37

Daniel M. Waggoner Lee Rau Gregory J. Kopta Reed Smith Shaw & McClay 2800 Century Square 8251 Green.bora Dr., Suite 1100 1501 - 4th Ave. McLean, VA 22102·3844 seattle, WA 98101-1688

jennifer Johns GMlnn Stover, Attorney California Cable Television Association walter Mosley, Attorney 4341 Piedmont Ave. AT&T Communications of CA, Inc. Oakland, CA 94611 795 Folsom St., Rm. 220 San Francilc:o. CA 94107

Joeeph Faber, Attomey Th0m88 E. McDonald Davis Wright Tremaine Leboeuf, Lamb, Greene & Macrae, l.L.P. 235 Pine Street, Suite 1500 One , 4th Floor san Francisco, CA 94104 san F...ncitco, CA 94105

Adam Thaler James McVtear John Chan Chief·TeIecorn/CACD Division of Ratepayer Advocates 505 Van Ness Ave., Room 3200 California Public Utilities Commission san Francisco, CA 94102 505 Van Ness Ave., 4th Floor San Francisco, CA 94102

Kenneth Henderson RicNlrd Fish CACD - Director CACD 505 Van Ness Ave., Room 3209 505 Van Ness Ave., Room 3-D San Francisco, CA 94102 S.n Francisco, CA 94102

Kristina Suszko Rufus G. Thayer. Jr. City of Escondido Planning Division DMsion of Ratepayer Advocates 201 North Broadway C8Ufomia Public Utilities Commission Escondido, CA 92025 505 Van Ness Ave., 4th Floor San Francisco, CA 94102

Carrington F. Phillip Dr. Francis Collins Asat. General Counsel eel Corp. California Cable Television Association Box 272 4341 Piedmont Ave. Newton, MA 02159 Oakland, CA 94611

3 T PACI!\ET "T1r.A c.T1~ ,;,J '4n Jun. 4. 1996 3: 32PM .. ...l..I.J .... J i,J • '.. No. 9294 P. 30/37

Mary E. Wand, Attorney A.J. "Tony» Dltirro Morrison &Foerster Ma".,., Regulatory Affairs 345 California Street MCI T.-communications Corporation San Francisco, CA 94104-2675 201 Spear street. 9th Floor San FrancJsco, CA 94105

Uonel B. Wilson, Attorney John W. Hunter California Public Utilities Commission Judith St. Ledger·Roty Legal Division. Rm. 4300 Reed Smith Shew & McClay 505 Van Ness Avenue 1301 K street, N.W., Ste 1100 East Tower San Francisco, CA 94102 Washington, D.C. 20005

Kathleen Blunt, Attorney Te.... Marrero, Attorney C.rol Lam Teleport Communications Group, Inc. GTE California Incorporated Two Teleport Drive One GTE Place, CA500LB Staten Island, New York 10311 Thousand Oaks, CA 91362

Patrick McMahon. Attorney J. G. Harrington R.A. Purkey, Dir.-State Reg.-W. Dow Lohn..Albertson Sprint Communications Company 125523rd Street, NW 1850 Gateway Drive, 7th Floor W..h~n,O.C.20037 San Mateo, CA 94404

Cynthia Walker ~tDaniel W. Fesaler Division of Ratepayer Advocates California Public Utilities Commission California Public Utilities Commisaion 505 Van Ne8a Ave.. Room 5218 505 Van Ness Ave., Room 4003 Sen Franclaco, CA 94102 San Francisco, CA 94102

waHy Bobkiewicz Maia Ellinger, Reg. Counsel City of Long Beach \NORKING ASSETS 333 West Ocean Blvd., 13th Floor 701 Montgomery Street, 4th Floor Long Beach, CA 90802 san Francisco, CA 94111

4 Jun. 4.1996 3:32PM PACTEL ~EGAL S? 140 No. 9294 P. 31/37

Maureen A. Swift Richard C. Nelson Director Of Reg. Affairs AIRTOUCH COMMUNICATIONS ACe NATIONAL TELECOM CORP. 1 California st., 9th Floor 400 West Avenue San Francisco, CA 94111 Rochester, NY 14611

J. SCott Nicholls Citizens T.-communication Co. of CA Sr. Marwger-Reg. Affairs (102'-) ALLNET COMMUNICATIONS SERVICES Rodney L. Jordan 1110 M St., N.W., Ste. 500 Director -Regulatory &Gov. Affairs Washington, DC 20036 PO Box 418020 Redding, CA 96049-6020

cecil O. Simpson, Jr., Gen. Atty. Karen M. Potkul, Atty. Regulatory lIw Office Blumenfeld & Cohen DEPAR~ENTOFTHEARMY*EA 101 C.'ifomia Street, Suite 4225 901 North Stewart Street San Francisco, CA 94111 Arlington, VA 22203-1837

Mary Krutchen, V. P. Jeffrey F. Beck BANK OF AMERICA Jill. Bronfman P.O. Box 37000, Dept. 5856 BeCK &ACKERMAN San Francisco, CA 94137 , Suite 760 San Francisco, CA 94111

Stephen P. Bowen Donald sassaman BLUMENFELD & COHEN Exec. V.P. 101 Catifomia St., Ste. 4225 BROOKS FIBER COMMUNICATIONS San Francisco, CA 94111 10318 Placer Lane Sacramento, CA 95827

Alan Gardner/Glen $emow Hong·Sze Yu Regulatory &Legal Dept. CARROLL BURDICK & MCDONOUGH CALIFORNIA CABLE T.V. ASSN. st., Ste. 400 P.O. Box 11080 San Francisco, CA 94104-4606 Oakland, CA 94611

Larry L. Sampson SUMn M. Redner NATIONAL EXCHANGE CARRIERS Auociate General Counsel ASSN. (NECA) CITIZENS UTILITIES COMPANY 1320 Wdlow Pass Rd., Ste. 550 Th.... High Ridge Park. Concord, CA 94520 Stamford, CT 08905

5 Jun. 4. 1996 3:32PM PACTEL LE;AL SF 140

Jacqueline R. Kinney, Atty. Ken McEldowney, Exec. Dir. CITIZENS UTILITIES COMPANY CONSUMER ACTION OF CALIFORNIA 116 New Montgomery St., Ste. 233 8920 Ernef1l1d Park Dr., Ste. G San Francisco, CA 94105 Elk Grove, CA 95624

Thomas J. Burke Jeremy Stem, V.P. CONTEL OF CALIFORNIA, INC. CONTINENTAl CABLEVISION 5300 District Blvd. 550 N. Continental Blvd., Ste. 250 Bakersfield, CA 93313 ElSegundo,CA 90245

E.G.a.~.Sch""ber Roger P. Downel COOPER WHITE &COOPER COX CALIFORNIA PCS, INC. 201 California St., 17th Fir. 2381 Morse Avenue san Francisco, CA 94111 Irvine, CA 92714

David Carter, President laura H. PhiHipe. Esq. DIALINK Peter A. Bataean, Esq. 184 E. Dana Street DOW LOHNES & ALBERTSON Mountain View, CA 94041-1508 125523rd St., N.W. Washington, DC 20037-1194

T. M. Eagan/R. M. Ward Ellen Deutsch, Chief Counsel EAGAN & WARD ELECTRIC LIGHTWAVE, INC. 1024 10th Street, Ste. 300 8100 N.E. Parkway Drive sacramento, CA 95814-3514 Vancouver, WA 98662

Allan C. HUbbard, Counsel J. Scott Bonney, V.P. FAIRCHILD COMMUNICATIONS Regulatory & Extemal Affairs SERVICES COMPANY FIBERLINK P.O. Box 10804 2433 Carillon Point Chantilly, VA 22021 Kirkland, WA 98033

6 j ~ 32PM PAcrr~T '':IG'T "H' 110 ,un, 4. Q9"0.,):,., lJ" .... A", ;)"Ij,,, No. 9294 P. 33/37

Thomas J. MacBride, Jr. Martin A. Mattes John L. Clark Suunne E. Curtis GOODIN MACBRIDE SQUERI SCHLOTZ GRAHAM & JAMES 505 Sansome St., 9th Floor , 3rd Floor san Francisco, CA 94111 San Francisco, CA 94111

Richard E. Potter, Esq. Judith EnclejllnlSuaan Rossi GTE WEST COAST INCORPORATED Associate and General Counsel 1800 41.t Street GTE CALIFORNIA,INC. EvereU, VVA 98201 One GTE Place, CASOOLB Thousand Oaks, CA 91362

Carol Lam, Regional Manager Jack Burk, President Regulatory & Industry Affairs 5+i1·IEC GTE CALIFORNIA, INC. INTEGRATED TELESERVICES, INC.

711 Van Ness Ave. I Ste. 300 1915 North Fine St., 8te. 101 San Francisco, CA 94102 Fresno, CA 93727

Thoma. Bugbee, Chief D. F. Brent, Dir.-Reg. Affairs Regulatory Affairs Pacific Region COUNTY OF LOS ANGELES LDOS COMMUNICATIONS, INC. P.O. Box 2231 9300 Shelbyville Rd., Ste. 700 Downey, CA 90242 Louisville, KY 40222

Robert J. Metzger, Director Kurt Maass Department of Genel'lll Services 5400 Carinon Point CITY OF LONG BEACH KWk.nd,VVA 98033 333 west Ocean Blvd., 12th Floor Long Beach, CA 90802

William Harrelson Eric A. Artman MCI TELECOMMUNICATIONS CORP. MFS INTELENET, INC. 201 Spear Street, 9th Floor Suite 5100 San Francisco, CA 94105 185 Berry St., Building One San Franasco, CA 94107

7 No, 9294 P, 34/37

Jose E. Guzman, Esq. Andrey P. Raamuaeen NOSSAMAN GUTHNER KNOX O'CONNOR &HANNAN, L.L.P. AND ELLIOTI Suite 800 50 California St.. 34th Floor 1919 Pennsytvania Avenue. N.W. San Francisco. CA 94111 Washington, DC 20006-1400

Fred W, Daniel Robert J. Gloiatein . ORION TELECOM ORRICK HERRINGTON & SUTCLIFFE P.O. Box 9227 Old Federal Reserve Bank Bldg. Newport Beach, CA 92658-9227 400 Sansome St. San Francisco, CA 94111-3143

Mark Savage Joeeph T. Garrity, Director Carmella Castellano Regulltory and Legislative Affairs PUBLIC ADVOCATES, INC. QWEST COMMUNICATIONS CORP. 1535 Mission Street 555 seventeenth Street San Francisco, CA 94103 Denver, CO 80202

Florence J. Plnigis C. Edward Wolf, PrMident carol B. Herringaon SENIOR UTILITY RATEPAYERS OF SOUTHERN CALIFORNIA EDISON CO. CALIFORNIA, INC. 2244 Walnut Grove Ave., Rm. 359 1718 Tradewinds Lane Rosemead, CA 91770 Newport Beach, CA 92860

Andrew D. Lipman Michael A. Morris Richard M. Rindler TCG WESTERN REGION SWiDlER &BERLINER 201 N. Civic Dr., Ste. 210 3000 K Street. N.W., Ste. 300 Walnut Creek. CA 94596 Washington, DC 20007

Andrew lsar Thorn..J. Long TELECOMMUNICATIONS RESELLERS TOWARD UTILITY RATE ASSOCIATION NORMALIZATION P.O. BOX 2461 625 Polk Street, Ste. 403 Gig Harbor, WA 98335 san Frencisco, CA 94102

8 Jun. 4,1996 3:33PM PACTEL LGAL SF 140 No, 9294 ? 35/37

Michael Shames David Wilner Usa Briggs P. O. Box 2340 UTlLllY CONSUMERS ACTION Novato, CA 94948-2340 NETWORK 1717 Kettner Blvd., '105 san Diego, CA 92101

Jon""n Lakritz, CACD Karan Jones, CACO ClIIifomia Public utilities CommiIIion California Public Utitities Comm.sion 505 Van Ness Avenue, Room 3·B 505 Van Nels Avenue, Room 3·0 san Francisco, CA 94102 San Francisco, CA 94102

Aulltant Director, CACD Brad 81mum California Public Utilities Conwniuion OFFICE OF GOVTAL AFFAIRS 505 Van Neas Avenue. Room 3209 CPUC~CRAMENTO san Francisco, CA 94102 1227 0 Street, Ste. 404 S8cr11rnento, CA 95814

Denise M. Brady Virginia J. Taylor Dept. of Public Works Dept. of COnlumer Affairs CITY OF SAN FRANCISCO Legal services Unit 875 Stevenson St., Rm. 460 400 R Street, Suite 3090 San Francisco, CA 94103 Sacramento, CA 95814

Thomas J. Nied, Major Tracey F. Pirie HQAFC4NJA Administrative Analyst Dept. of the Air Force City of Santa Barbara 203 W. Losey St., Rm. 3001 P. O. Box 1990 Scott AFB IL 62225-5222 Santa Barbara, CA 93102-1990

9 Jun. 4,1996 3:33PM PACTE~L~;A~SFI4C

Heten Mickiewicz Ira Kalinaky California PubHc UtIlities Commission e.tIfomia Public Utilities Commission 505 Van Ness Ave., Rm. 5131 505 Van Ness Ave., Rm. 5027 San Francisco, CA 94102 san Francisco, CA 94102 '

Janice Grau Norman Low California Public Utilities Commission California Public UtIlities Commission 505 Van Ness Ave., Rm. 5023 505 Van Nas Ave" Rm. 4007 San Francisco, CA 94102 San Francisco, CA 94102

Brian Chang John Chan California Public Utilitiea Commission California Public utilities Commi8slon 505 Van Ness Ave.• Rm. 4007 505 Van Neu Ave.• Rm. 4003 San Francisco, CA 94102 San Francisco. CA 94102

Zenaida Conway Dale Piiru California PUblic Utilities Commiaion California Pubbc Utilities Commission 505 Van Ness Ave., Rm. 4003 505 Van N_ Ave., Rm. 4003 San Francisco, CA 94102 San Francisco, CA 94102

David Shantz Tom Lew California Public Utilities Commission California Public Utilities Commission 505 Van Ness Ave.• Rm. 4003 505 Van Ness Ave., Rm. 4007 San Francisco, CA 94102 San Francisco, CA 94102

Rob Feraru Kevin P. Timpane California Public Utilities Commission 878 Elizabeth Street 505 Van Ness Ave., Rm. 5303 San Francisco, CA 94114 San Francisco, CA 94102

Linda Burton ....". Gurga, President Sierra re.phone Co., Inc. S.P.1. P. O. Box 219 , 102 Via Tomasol Oakhurst,CA 93644 Aptos, CA 95003

10 Jun. 4, 1996 3:33PM PACTEL LEGAL SF 140

Douglas F. Brent, Esq. Dorothy Dude Director of Reg. Affairs, Pacific Region C.wfomia Public Utitities Commission LOOS WortdCom 505 Van Nesa Avenue. Room 3-8 9300 Shelbyville, Rd." Ste. 700 s.n Francisco, CA 94102-3298 Louisville, KY 40222

Bruce Weston Terry Murray 189 West Hubbard Avenue Mun'Iy & Auociates Columbus,OH 43215-1439 227 Palm Drive Piedmont, CA 94610

Shelly Bergum Jon Chambers Deaf & Disabled Telecomm. Program 1850 M. Street. N.W., 11th Fir. 1839 Harrison Street, Ste. 520 Washington, D.C. 20036 oakland, CA 94612

Manning LeeITeresa Marrero, Esq. Ruth E. Holder T.port Communications Group Alliance For Public Technology 2 Teleport Drive 901 15th St.• NW; Suite 230 Staten Island, NY 10301 P.O. Box 28578 Washington, D.C. 20005-2301

T. santora G. "Bummy" Burstein Communications Workers of America Deaf & Disabled Telecommunications 411 Airport Blvd. Program Administrative Committee Burlingame, CA 94010 1939 Harrison Street, Suite 520 Oaklend, CA 94612

Allan G. Tollman, Chief Cart K. Oshiro, Atty at Law Telephone &Network SVC5. Markham & Oshiro Department of General Services 100 First St. 601 Sequoia Paciftc Blvd. Suite 2540 Sacramento. CA 95814 San Francl8co, CA 94105

Terry J. Houlihan Mark Q'Krent McCutchen, Doyle. Brown & Enerson The Telephone Connection of Los Angeles 9911 W. Pico BOUlevard, Suite 680 San Francisco, CA 94111 Los Angeles. CA 90035-2710

0130706.01

11