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510 Area Code

State: California
Major City: Oakland
Timezone: Pacific
Current Time: 5:34pm
Short URL: allareacodes.com/510

Area Code 510 Map

Where is area code 510?

Area code 510 is the area code for Oakland, CA and the surrounding areas. It is the only area code that serves the area.

510 area code

What time zone is area code 510?

The 510 area code is located in the Pacific timezone. The Pacific time zone is also known as America/Los_Angeles. As of the last time this page was loaded, the current time is 5:34pm.

History

510 was first put in service September 2, 1991. It was created from area code 415. 510 was split in 1998 creating the need to update some of the phone numbers to area code 925. To avoid exhausting all possible phone numbers in this area code, relief planning has begun.

Nearby Area Codes

408/669 (San Jose, CA)
415/628 (San Francisco, CA)
510 (Oakland, CA)
530 (Redding, CA)
650 (San Mateo, CA)
707 (Santa Rosa, CA)
925 (Concord, CA)

Top 2 Counties in Area Code 510

CountyTotal Population% of 510% of County
Alameda, CA1,510,27176%49%
Contra Costa, CA1,049,02524%16%

Top 33 Cities in Area Code 510

CityTotal Population% of 510% of City
Oakland, CA390,72415%100%
Fremont, CA214,08916%99%
Hayward, CA144,18612%97%
Berkeley, CA112,5803%100%
Richmond, CA103,70110%100%
San Leandro, CA84,9503%100%
Alameda, CA73,8124%100%
Union City, CA69,5164%100%
Castro Valley, CA61,3883%100%
Newark, CA42,5733%100%
San Pablo, CA29,1390%100%
Hercules, CA24,0603%100%
El Cerrito, CA23,5491%100%
San Lorenzo, CA23,4521%100%
Ashland, CA21,9250%100%
Albany, CA18,5391%100%
Pinole, CA18,3903%100%
Cherryland, CA14,7280%100%
El Sobrante, CA12,6691%100%
Piedmont, CA10,6670%100%
Emeryville, CA10,0800%100%
Fairview, CA10,0031%100%
Rodeo, CA8,6791%100%
Tara Hills, CA5,1260%100%
Kensington, CA5,0770%100%
North Richmond, CA3,7170%100%
East Richmond Heights, CA3,2800%100%
Crockett, CA3,0940%100%
Rollingwood, CA2,9690%100%
Montalvin Manor, CA2,8760%100%
Bayview, CA1,7540%100%
Port Costa, CA1900%100%
Sunol, CA9130%8%

Largest Telephone Carriers

Landline

Prefixes Carrier
40%Pacific Bell
3%Pac - West Telecomm
2%Teleport Group - San Francisco
2%Mcimetro Access Transmission Services
2%Xo
2%Mpower
2%Bandwidthcom Clec
15%Other

Wireless

Prefixes Carrier
9%Cingular
7%Sprint
7%Verizon Wireless
2%Usa Mobility Wireless
2%T-mobile
2%American Messaging (am)
1%American Messaging Services
2%Other

Prefixes

Assigned

Usage


Prefix
Usage
Primary City
Carrier
Introduced
(510) 200-
Hayward
Metro PCS
11/12/2008
(510) 201-
Oakland
Peerless Network Of California
02/14/2009
(510) 202-
Oakland
American Messaging (am)
02/11/1995
(510) 204-
Berkeley
Pacific Bell
02/04/1994
(510) 205-
San Francisco
Sprint Spectrum
02/27/1999
(510) 206-
Oakland
New Cingular Wireless PCS
07/04/1995
(510) 207-
Oakland
New Cingular Wireless PCS
07/04/1995
(510) 208-
Oakland
Pacific Bell
02/04/1994
(510) 209-
Hayward
Sprint Spectrum
06/30/2001
(510) 210-
San Francisco
Bandwidth.com Clec
01/04/2013
(510) 212-
Fremont
Usa Mobility Wireless
07/06/1997
(510) 213-
Oakland
T-mobile Usa
09/19/2002
(510) 214-
San Francisco
Mci Worldcom Communications, CA
04/15/1996
(510) 215-
Richmond
Pacific Bell
02/04/1994
(510) 216-
Fremont
Usa Mobility Wireless
10/13/1999
(510) 217-
San Francisco
Teleport Communications Group - San Francisco
04/15/1996
(510) 218-
Fremont
Usa Mobility Wireless
07/04/1995
(510) 219-
Oakland
New Cingular Wireless PCS
07/04/1995
(510) 220-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 221-
Oakland
Sprint Spectrum
02/08/2007
(510) 222-
El Sobrante
Pacific Bell
02/04/1994
(510) 223-
El Sobrante
Pacific Bell
02/04/1994
(510) 224-
Hercules
Sprint Spectrum
10/18/2001
(510) 225-
San Francisco
Allegiance Telecom
07/22/1999
(510) 226-
Fremont
Pacific Bell
02/04/1994
(510) 227-
Oakland
Tw Telecom Of California Lp
07/22/1999
(510) 228-
Oakland
Pac - West Telecomm
07/22/1999
(510) 229-
Oakland
Pacific Bell
07/22/1999
(510) 230-
Richmond
T-mobile Usa
02/15/2007
(510) 231-
Richmond
Pacific Bell
02/04/1994
(510) 232-
Richmond
Pacific Bell
02/04/1994
(510) 233-
Richmond
Pacific Bell
02/04/1994
(510) 234-
Richmond
Pacific Bell
02/04/1994
(510) 235-
Richmond
Pacific Bell
02/04/1994
(510) 236-
Richmond
Pacific Bell
02/04/1994
(510) 237-
Richmond
Pacific Bell
02/04/1994
(510) 238-
Oakland
Pacific Bell
02/04/1994
(510) 239-
Oakland
Mpower Communications Corp
04/15/1996
(510) 240-
Union City
Tw Telecom Of California Lp
05/10/1999
(510) 242-
Richmond
Pacific Bell
02/04/1994
(510) 243-
El Sobrante
Pacific Bell
02/04/1994
(510) 244-
Hayward
Bandwidth.com Clec
07/25/2011
(510) 245-
Hercules
Pacific Bell
02/04/1994
(510) 246-
Hayward
Cellco Partnership DBA Verizon Wireless
08/09/2011
(510) 247-
Hayward
Pacific Bell
02/04/1994
(510) 248-
Fremont
Pac - West Telecomm
10/31/2000
(510) 249-
Fremont
Pacific Bell
02/04/1994
(510) 250-
Oakland
Broadwing Communications
11/20/1998
(510) 251-
Oakland
Pacific Bell
02/04/1994
(510) 252-
Fremont
Pacific Bell
02/04/1994
(510) 253-
Richmond
Tw Telecom Of California Lp
10/13/1999
(510) 254-
San Francisco
Level 3 Communications
09/15/2011
(510) 255-
Richmond
Bandwidth.com Clec
04/28/2011
(510) 256-
Walnut Creek
O1 Communications
06/30/2001
(510) 257-
Fremont
Teleport Communications Group - San Francisco
01/14/2000
(510) 258-
Hayward
Pacific Bell
08/20/2000
(510) 259-
Hayward
Pacific Bell
10/15/1996
(510) 260-
Oakland
Comcast Phone Of California
05/18/1998
(510) 261-
Oakland
Pacific Bell
02/04/1994
(510) 262-
El Sobrante
Pacific Bell
02/04/1994
(510) 263-
Alameda
Pacific Bell
02/04/1994
(510) 264-
Hayward
Pacific Bell
02/04/1994
(510) 265-
Hayward
Pacific Bell
02/04/1994
(510) 266-
Hayward
Pacific Bell
04/15/1996
(510) 267-
Oakland
Pacific Bell
01/10/1996
(510) 268-
Oakland
Pacific Bell
02/04/1994
(510) 269-
San Francisco
Mci Worldcom Communications, CA
02/04/1994
(510) 270-
Sunnyvale
Brooks Fiber Communications Of California
04/01/1997
(510) 271-
Oakland
Pacific Bell
02/04/1994
(510) 272-
Oakland
Pacific Bell
02/04/1994
(510) 273-
Oakland
Pacific Bell
02/04/1994
(510) 274-
Hayward
Utility Telephone
10/13/1999
(510) 275-
Oakland
Pac - West Telecomm
10/31/2000
(510) 276-
Hayward
Pacific Bell
02/04/1994
(510) 277-
Oakland
Global Crossing Local Services-ca
06/13/2000
(510) 278-
Hayward
Pacific Bell
02/04/1994
(510) 279-
Fremont
Pac - West Telecomm
01/14/2000
(510) 280-
Berkeley
Xo California
07/22/1999
(510) 281-
Oakland
Pac - West Telecomm
10/15/1996
(510) 282-
Oakland
T-mobile Usa
12/26/2001
(510) 283-
El Sobrante
Allegiance Telecom
06/30/2001
(510) 284-
Fremont
Pacific Bell
06/30/2001
(510) 285-
San Francisco
Mci Worldcom Communications, CA
04/15/1996
(510) 286-
Oakland
Pacific Bell
02/04/1994
(510) 287-
Oakland
Pacific Bell
02/04/1994
(510) 288-
Oakland
Pac - West Telecomm
07/01/1996
(510) 289-
Oakland
New Cingular Wireless PCS
07/04/1995
(510) 290-
San Francisco
Sprint Spectrum
08/14/1998
(510) 291-
Oakland
Pac - West Telecomm
10/15/1996
(510) 292-
Albany
Pacific Bell
03/03/2001
(510) 293-
Hayward
Pacific Bell
02/04/1994
(510) 294-
Hayward
Sprint Spectrum
11/04/2011
(510) 295-
Oakland
Pac - West Telecomm
06/13/2000
(510) 296-
Hercules
Level 3 Communications
06/30/2001
(510) 297-
San Leandro
Pacific Bell
02/04/1994
(510) 298-
Fremont
New Cingular Wireless PCS
12/07/2012
(510) 299-
Fremont
Cellco Partnership DBA Verizon Wireless
06/30/2001
(510) 300-
Hayward
U.s. Telepacific Corp.
08/20/2000
(510) 301-
Oakland
Cellco Partnership DBA Verizon Wireless
07/04/1995
(510) 302-
Oakland
Pacific Bell
02/04/1994
(510) 303-
Hayward
New Cingular Wireless PCS
01/25/1998
(510) 304-
Fremont
New Cingular Wireless PCS
04/01/1997
(510) 305-
Hayward
New Cingular Wireless PCS
04/15/1996
(510) 306-
San Francisco
Sprint Spectrum
06/30/2001
(510) 307-
Richmond
Pacific Bell
02/04/1994
(510) 308-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 310-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 312-
Hayward
American Messaging (am)
01/14/2000
(510) 313-
Hercules
Teleport Communications Group - San Francisco
06/30/2001
(510) 314-
Hayward
Sprint Spectrum
07/02/2007
(510) 315-
Hayward
Broadwing Communications
05/10/1999
(510) 316-
Oakland
New Cingular Wireless PCS
01/25/1998
(510) 317-
Hayward
Pacific Bell
02/04/1994
(510) 318-
Oakland
Cellco Partnership DBA Verizon Wireless
11/20/1998
(510) 320-
Fremont
New Cingular Wireless PCS
09/12/2013
(510) 321-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 322-
Hercules
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 323-
Richmond
Xo California
10/13/1999
(510) 324-
Union City
Pacific Bell
01/14/2000
(510) 325-
Oakland
New Cingular Wireless PCS
07/06/1997
(510) 326-
Oakland
New Cingular Wireless PCS
07/06/1997
(510) 327-
Hercules
Pac - West Telecomm
03/03/2001
(510) 328-
Oakland
Sprint Spectrum
01/31/2013
(510) 329-
Hayward
New Cingular Wireless PCS
01/25/1998
(510) 331-
Hayward
New Cingular Wireless PCS
01/25/1998
(510) 332-
Oakland
New Cingular Wireless PCS
01/25/1998
(510) 333-
Oakland
New Cingular Wireless PCS
01/25/1998
(510) 334-
Richmond
New Cingular Wireless PCS
01/25/1998
(510) 335-
Fremont
Cf Communications DBA Telekenex
01/27/2012
(510) 336-
Oakland
Pacific Bell
07/01/1996
(510) 337-
Alameda
Pacific Bell
09/11/1994
(510) 338-
Oakland
Pacific Bell
07/01/1996
(510) 339-
Oakland
Pacific Bell
02/04/1994
(510) 340-
Hayward
Cellco Partnership DBA Verizon Wireless
05/04/2012
(510) 342-
Hayward
Mpower Communications Corp
10/11/1997
(510) 343-
Oakland
Mpower Communications Corp
10/11/1997
(510) 344-
Fremont
Global Crossing Local Services-ca
01/14/2000
(510) 346-
San Leandro
Pacific Bell
01/25/1998
(510) 347-
San Leandro
Pacific Bell
04/15/1996
(510) 348-
Oakland
33 Wireless Inc.
07/06/1997
(510) 349-
Richmond
American Messaging (am)
01/25/1998
(510) 350-
Oakland
Teleport Communications Group - San Francisco
01/25/1998
(510) 351-
San Leandro
Pacific Bell
02/04/1994
(510) 352-
San Leandro
Pacific Bell
02/04/1994
(510) 353-
Fremont
Pacific Bell
09/11/1994
(510) 354-
Fremont
Pacific Bell
02/11/1995
(510) 355-
Oakland
Global Crossing Local Services-ca
01/14/2000
(510) 356-
Berkeley
Pacific Bell
11/28/2007
(510) 357-
San Leandro
Pacific Bell
02/04/1994
(510) 358-
Fremont
New Cingular Wireless PCS
07/08/2011
(510) 359-
Hayward
Cellco Partnership DBA Verizon Wireless
08/17/2012
(510) 360-
Fremont
Pacific Bell
01/25/1998
(510) 362-
Hayward
T-mobile Usa
05/16/2013
(510) 363-
Hayward
Cellco Partnership DBA Verizon Wireless
01/14/2008
(510) 364-
Fremont
New Cingular Wireless PCS
11/28/2001
(510) 365-
Berkeley
T-mobile Usa
09/26/2013
(510) 366-
Fremont
New Cingular Wireless PCS
01/25/1998
(510) 367-
Richmond
New Cingular Wireless PCS
01/25/1998
(510) 368-
Oakland
Cellco Partnership DBA Verizon Wireless
01/11/1997
(510) 370-
Hayward
Peerless Network Of California
04/13/2012
(510) 371-
Fremont
Level 3 Communications
08/07/2008
(510) 372-
Hayward
Pac - West Telecomm
10/13/1999
(510) 373-
Oakland
Pac - West Telecomm
10/13/1999
(510) 374-
Richmond
Pacific Bell
02/04/1994
(510) 375-
San Francisco
T-mobile Usa
12/26/2001
(510) 376-
Fremont
Sprint Spectrum
01/14/2000
(510) 377-
Fremont
Sprint Spectrum
08/20/2000
(510) 378-
Fremont
New Cingular Wireless PCS
06/13/2000
(510) 379-
Oakland
Tw Telecom Of California Lp
05/18/1998
(510) 380-
Oakland
Pac - West Telecomm
02/04/1994
(510) 381-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 382-
Oakland
Pacific Bell
02/04/1994
(510) 383-
Oakland
Pacific Bell
01/11/1997
(510) 384-
Oakland
New Cingular Wireless PCS
10/11/1997
(510) 385-
Oakland
Sprint Spectrum
02/04/1994
(510) 386-
Fremont
New Cingular Wireless PCS
10/11/1997
(510) 387-
Oakland
New Cingular Wireless PCS
10/11/1997
(510) 388-
Oakland
New Cingular Wireless PCS
05/18/1998
(510) 389-
Oakland
American Messaging (am)
01/10/1996
(510) 390-
Oakland
Cellco Partnership DBA Verizon Wireless
05/18/1998
(510) 391-
Oakland
American Messaging (am)
01/10/1996
(510) 392-
Oakland
American Messaging (am)
04/01/1997
(510) 393-
San Francisco
Sprint Spectrum
05/10/1999
(510) 394-
Oakland
Teleport Communications Group - San Francisco
05/18/1998
(510) 395-
Oakland
Teleport Communications Group - San Francisco
05/18/1998
(510) 396-
Fremont
T-mobile Usa
12/26/2001
(510) 397-
Hayward
Comcast Phone Of California
08/28/2008
(510) 398-
Hayward
Bandwidth.com Clec
08/17/2012
(510) 400-
Fremont
Xo California
02/27/1999
(510) 401-
Union City
Mpower Communications Corp
10/11/1997
(510) 402-
Fremont
Mpower Communications Corp
10/11/1997
(510) 403-
Fremont
Mpower Networks Services Inc.
10/11/1997
(510) 404-
Union City
Mci Worldcom Communications, CA
04/15/1996
(510) 405-
Fremont
Pac - West Telecomm
07/06/1997
(510) 406-
Oakland
Cellco Partnership DBA Verizon Wireless
02/11/1995
(510) 407-
Oakland
Cellco Partnership DBA Verizon Wireless
07/06/1997
(510) 408-
El Sobrante
Pacific Bell
11/25/2009
(510) 409-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 410-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 412-
Richmond
Pacific Bell
02/04/1994
(510) 413-
Fremont
Pacific Bell
07/06/1997
(510) 414-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 415-
Hayward
T-mobile Usa
09/19/2001
(510) 416-
Berkeley
North County Communications Corp.
06/13/2000
(510) 417-
El Sobrante
T-mobile Usa
09/19/2002
(510) 418-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 419-
Oakland
Pacific Bell
02/04/1994
(510) 420-
Oakland
Pacific Bell
02/04/1994
(510) 421-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 423-
Oakland
Paetec Communications
11/07/2008
(510) 425-
Oakland
Pacific Bell
02/04/1994
(510) 426-
Richmond
Cellco Partnership DBA Verizon Wireless
03/27/2014
(510) 427-
Hayward
Cellco Partnership DBA Verizon Wireless
03/03/2001
(510) 428-
Oakland
Pacific Bell
02/04/1994
(510) 429-
Union City
Pacific Bell
02/04/1994
(510) 430-
Oakland
Pacific Bell
02/04/1994
(510) 431-
Union City
Global Crossing Local Services-ca
10/13/1999
(510) 432-
Hayward
New Cingular Wireless PCS
11/28/2001
(510) 433-
Oakland
Pacific Bell
01/10/1996
(510) 434-
Oakland
Pacific Bell
04/15/1996
(510) 435-
San Francisco
Sprint Spectrum
01/25/1998
(510) 436-
Oakland
Pacific Bell
02/04/1994
(510) 437-
Oakland
Pacific Bell
02/04/1994
(510) 438-
Fremont
Pacific Bell
02/04/1994
(510) 439-
Oakland
Pac - West Telecomm
10/31/2000
(510) 440-
Fremont
Pacific Bell
02/04/1994
(510) 441-
Union City
Pacific Bell
02/04/1994
(510) 442-
Oakland
American Messaging (am)
02/04/1994
(510) 443-
Fremont
Peerless Network Of California
02/14/2009
(510) 444-
Oakland
Pacific Bell
02/04/1994
(510) 445-
Fremont
Pacific Bell
10/15/1996
(510) 446-
Oakland
Pacific Bell
02/04/1994
(510) 447-
Richmond
Sprint Spectrum
12/09/2011
(510) 448-
Oakland
American Messaging (am)
02/04/1994
(510) 449-
Fremont
Teleport Communications Group - San Francisco
10/13/1999
(510) 450-
Oakland
Pacific Bell
02/04/1994
(510) 451-
Oakland
Pacific Bell
02/04/1994
(510) 452-
Oakland
Pacific Bell
02/04/1994
(510) 453-
Fremont
Sprint Spectrum
10/31/2000
(510) 454-
San Leandro
Pacific Bell
11/30/2012
(510) 455-
Crockett
Sprint Spectrum
04/20/2001
(510) 456-
San Jose
U.s. Telepacific Corp.
01/14/2000
(510) 457-
Oakland
Teleport Communications Group - San Francisco
10/15/1996
(510) 459-
San Francisco
Sprint Spectrum
10/15/1996
(510) 460-
Hayward
Cellco Partnership DBA Verizon Wireless
02/09/2010
(510) 461-
Hayward
New Cingular Wireless PCS
08/21/2002
(510) 463-
Oakland
Mpower Communications Corp
03/03/2001
(510) 464-
Oakland
Pacific Bell
02/04/1994
(510) 465-
Oakland
Pacific Bell
02/04/1994
(510) 466-
Oakland
Pacific Bell
02/04/1994
(510) 467-
Oakland
Tw Telecom Of California Lp
10/13/1999
(510) 468-
Fremont
Cellco Partnership DBA Verizon Wireless
07/22/1999
(510) 469-
San Francisco
Sprint Spectrum
01/14/2000
(510) 470-
Hayward
Bandwidth.com Clec
02/22/2010
(510) 471-
Union City
Pacific Bell
02/04/1994
(510) 472-
Oakland
Metro PCS
08/22/2001
(510) 473-
San Francisco
Allegiance Telecom
01/14/2000
(510) 474-
Union City
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 475-
Union City
Pacific Bell
02/04/1994
(510) 476-
Union City
Pacific Bell
02/11/1995
(510) 477-
Union City
Pacific Bell
07/01/1996
(510) 478-
San Francisco
Allegiance Telecom
03/03/2001
(510) 479-
San Francisco
Teleport Communications Group - San Francisco
04/15/1996
(510) 480-
El Sobrante
T-mobile Usa
09/26/2013
(510) 481-
Hayward
Pacific Bell
02/04/1994
(510) 482-
Oakland
Pacific Bell
02/04/1994
(510) 483-
San Leandro
Pacific Bell
02/04/1994
(510) 484-
San Francisco
Sprint Spectrum
03/03/2001
(510) 485-
Oakland
Metro PCS
10/13/1999
(510) 486-
Berkeley
Pacific Bell
02/04/1994
(510) 487-
Union City
Pacific Bell
02/04/1994
(510) 488-
San Francisco
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 489-
Union City
Pacific Bell
02/04/1994
(510) 490-
Fremont
Pacific Bell
02/04/1994
(510) 491-
Union City
Teleport Communications Group - San Francisco
04/15/1996
(510) 492-
Fremont
Pacific Bell
04/15/1996
(510) 493-
Fremont
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 494-
Fremont
Pacific Bell
02/04/1994
(510) 495-
Berkeley
Pacific Bell
04/01/1997
(510) 496-
Oakland
Mpower Communications Corp
01/11/1997
(510) 497-
Fremont
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 498-
Fremont
Pacific Bell
02/04/1994
(510) 499-
Oakland
New Cingular Wireless PCS
10/15/1996
(510) 500-
Oakland
Xo California
02/27/1999
(510) 501-
Oakland
New Cingular Wireless PCS
07/04/1995
(510) 502-
Oakland
New Cingular Wireless PCS
07/04/1995
(510) 503-
Oakland
American Messaging (am)
11/21/2002
(510) 504-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 505-
Fremont
Pacific Bell
02/04/1994
(510) 506-
Oakland
Cellco Partnership DBA Verizon Wireless
01/10/1996
(510) 507-
Oakland
Cellco Partnership DBA Verizon Wireless
01/10/1996
(510) 508-
Oakland
New Cingular Wireless PCS
07/04/1995
(510) 509-
Fremont
Level 3 Communications
07/06/2010
(510) 512-
Hayward
T-mobile Usa
08/14/1998
(510) 515-
Oakland
Usa Mobility Wireless
01/10/1996
(510) 516-
Fremont
Bandwidth.com Clec
09/03/2010
(510) 517-
Oakland
New Cingular Wireless PCS
01/10/1996
(510) 520-
Oakland
New Cingular Wireless PCS
01/10/1996
(510) 521-
Alameda
Pacific Bell
02/04/1994
(510) 522-
Alameda
Pacific Bell
02/04/1994
(510) 523-
Alameda
Pacific Bell
02/04/1994
(510) 524-
Albany
Pacific Bell
02/04/1994
(510) 525-
Albany
Pacific Bell
02/04/1994
(510) 526-
Albany
Pacific Bell
02/04/1994
(510) 527-
Albany
Pacific Bell
02/04/1994
(510) 528-
Albany
Pacific Bell
02/04/1994
(510) 529-
Richmond
Pacific Bell
02/04/1994
(510) 530-
Oakland
Pacific Bell
02/04/1994
(510) 531-
Oakland
Pacific Bell
02/04/1994
(510) 532-
Oakland
Pacific Bell
02/04/1994
(510) 533-
Oakland
Pacific Bell
02/04/1994
(510) 534-
Oakland
Pacific Bell
02/04/1994
(510) 535-
Oakland
Pacific Bell
02/04/1994
(510) 536-
Oakland
Pacific Bell
02/04/1994
(510) 537-
Hayward
Pacific Bell
02/04/1994
(510) 538-
Hayward
Pacific Bell
02/04/1994
(510) 539-
Oakland
American Messaging (am)
02/04/1994
(510) 540-
Berkeley
Pacific Bell
02/04/1994
(510) 541-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 542-
San Francisco
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 543-
San Francisco
Sprint Spectrum
10/13/1999
(510) 544-
Oakland
Pac - West Telecomm
01/25/1998
(510) 545-
Oakland
Xo California
08/14/1998
(510) 546-
Berkeley
American Messaging Services
11/20/1998
(510) 547-
Oakland
Pacific Bell
02/04/1994
(510) 548-
Berkeley
Pacific Bell
02/04/1994
(510) 549-
Berkeley
Pacific Bell
02/04/1994
(510) 550-
Oakland
Global Crossing Local Services-ca
05/10/1999
(510) 551-
San Francisco
Sprint Spectrum
10/13/1999
(510) 552-
Fremont
Cellco Partnership DBA Verizon Wireless
06/25/2001
(510) 553-
Oakland
Pacific Bell
02/04/1994
(510) 554-
Hayward
33 Wireless Inc.
02/27/1999
(510) 556-
Level 3 Communications
05/05/2014
(510) 557-
Fremont
Sprint Spectrum
05/17/2001
(510) 558-
Albany
Pacific Bell
04/15/1996
(510) 559-
Albany
Pacific Bell
02/04/1994
(510) 560-
Comcast Phone Of California
07/14/2014
(510) 562-
Oakland
Pacific Bell
02/04/1994
(510) 563-
Oakland
Pacific Bell
01/10/1996
(510) 564-
San Francisco
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 565-
Fremont
T-mobile Usa
08/14/1998
(510) 566-
Hayward
Cellco Partnership DBA Verizon Wireless
05/10/1999
(510) 567-
Oakland
Pacific Bell
09/11/1994
(510) 568-
Oakland
Pacific Bell
02/04/1994
(510) 569-
Oakland
Pacific Bell
02/04/1994
(510) 572-
Fremont
Mci Worldcom Communications, CA
01/10/1996
(510) 573-
Fremont
Comcast Phone Of California
01/11/1997
(510) 574-
Fremont
Pacific Bell
05/18/1998
(510) 575-
Oakland
Metro PCS
05/18/1998
(510) 576-
Hayward
Xo California
08/14/1998
(510) 577-
Oakland
Pacific Bell
02/04/1994
(510) 578-
Fremont
Xo California
05/18/1998
(510) 579-
Fremont
New Cingular Wireless PCS
01/10/1996
(510) 580-
Fremont
Xo California
05/18/1998
(510) 581-
Hayward
Pacific Bell
02/04/1994
(510) 582-
Hayward
Pacific Bell
02/04/1994
(510) 583-
Hayward
Pacific Bell
07/01/1996
(510) 584-
Hayward
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 585-
Fremont
Mpower Communications Corp
08/20/2000
(510) 586-
Hayward
Comcast Phone Of California
04/01/1997
(510) 587-
Oakland
Pacific Bell
07/06/1997
(510) 588-
Oakland
Pac - West Telecomm
08/14/1998
(510) 589-
Hayward
New Cingular Wireless PCS
01/10/1996
(510) 590-
Oakland
New Cingular Wireless PCS
01/10/1996
(510) 591-
Hayward
American Messaging Services
02/27/1999
(510) 592-
Hercules
Broadwing Communications
08/20/2000
(510) 593-
San Francisco
Sprint Spectrum
02/27/1999
(510) 594-
Oakland
Pacific Bell
04/15/1996
(510) 595-
Oakland
Pacific Bell
01/10/1996
(510) 596-
Oakland
Pacific Bell
02/04/1994
(510) 597-
Oakland
Pacific Bell
09/11/1994
(510) 598-
Fremont
T-mobile Usa
01/18/2013
(510) 599-
Oakland
New Cingular Wireless PCS
02/11/1995
(510) 600-
Hayward
Cf Communications DBA Telekenex
03/12/2012
(510) 601-
Oakland
Pacific Bell
02/04/1994
(510) 604-
Oakland
New Cingular Wireless PCS
02/11/1995
(510) 606-
Hayward
Cellco Partnership DBA Verizon Wireless
08/10/2010
(510) 608-
Fremont
Pacific Bell
02/04/1994
(510) 610-
Oakland
New Cingular Wireless PCS
07/04/1995
(510) 612-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 613-
Oakland
Pacific Bell
02/04/1994
(510) 614-
San Leandro
Pacific Bell
02/04/1994
(510) 615-
Oakland
Pacific Bell
09/11/1994
(510) 618-
San Leandro
Pacific Bell
02/04/1994
(510) 619-
San Francisco
Broadwing Communications
05/10/1999
(510) 620-
Richmond
Pacific Bell
02/04/1994
(510) 621-
San Francisco
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 622-
Oakland
Pacific Bell
07/06/1997
(510) 623-
Fremont
Pacific Bell
02/04/1994
(510) 624-
Fremont
Pacific Bell
07/04/1995
(510) 625-
Oakland
Pacific Bell
07/22/1999
(510) 627-
Oakland
Pacific Bell
07/06/1997
(510) 628-
Oakland
Pacific Bell
01/11/1997
(510) 629-
Oakland
Level 3 Communications
11/20/1998
(510) 630-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 632-
Oakland
Pacific Bell
02/04/1994
(510) 633-
Oakland
Pacific Bell
02/04/1994
(510) 635-
Oakland
Pacific Bell
02/04/1994
(510) 636-
Oakland
Pacific Bell
02/04/1994
(510) 637-
Oakland
Pacific Bell
02/04/1994
(510) 638-
Oakland
Pacific Bell
02/04/1994
(510) 639-
Oakland
Pacific Bell
02/04/1994
(510) 641-
Oakland
Usa Mobility Wireless
04/15/1996
(510) 642-
Berkeley
Pacific Bell
02/04/1994
(510) 643-
Berkeley
Pacific Bell
02/04/1994
(510) 644-
Berkeley
Pacific Bell
02/04/1994
(510) 645-
Oakland
Pacific Bell
02/04/1994
(510) 646-
San Francisco
Bandwidth.com Clec
03/07/2013
(510) 647-
Berkeley
Pacific Bell
01/10/1996
(510) 648-
Fremont
New Cingular Wireless PCS
10/31/2000
(510) 649-
Berkeley
Pacific Bell
02/04/1994
(510) 651-
Fremont
Pacific Bell
02/04/1994
(510) 652-
Oakland
Pacific Bell
02/04/1994
(510) 653-
Oakland
Pacific Bell
02/04/1994
(510) 654-
Oakland
Pacific Bell
02/04/1994
(510) 655-
Oakland
Pacific Bell
02/04/1994
(510) 656-
Fremont
Pacific Bell
02/04/1994
(510) 657-
Fremont
Pacific Bell
02/04/1994
(510) 658-
Oakland
Pacific Bell
02/04/1994
(510) 659-
Fremont
Pacific Bell
02/04/1994
(510) 661-
Fremont
Pacific Bell
02/11/1995
(510) 662-
El Sobrante
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 663-
Oakland
Pacific Bell
05/18/1998
(510) 664-
Berkeley
Pacific Bell
02/04/1994
(510) 665-
Berkeley
Pacific Bell
04/15/1996
(510) 666-
Berkeley
Pacific Bell
07/06/1997
(510) 667-
San Leandro
Pacific Bell
02/04/1994
(510) 668-
Fremont
Pacific Bell
04/15/1996
(510) 669-
El Sobrante
Pacific Bell
02/04/1994
(510) 670-
Hayward
Pacific Bell
02/04/1994
(510) 671-
San Francisco
Bandwidth.com Clec
05/14/2013
(510) 672-
Richmond
Cellco Partnership DBA Verizon Wireless
09/19/2002
(510) 673-
Fremont
Cellco Partnership DBA Verizon Wireless
08/20/2000
(510) 675-
Union City
Pacific Bell
07/22/1999
(510) 676-
Fremont
New Cingular Wireless PCS
06/14/2002
(510) 677-
Hayward
Metro PCS
03/22/2001
(510) 678-
San Leandro
Pacific Bell
02/04/1994
(510) 680-
Richmond
Centurylink Communications LLC
06/03/2013
(510) 681-
San Francisco
Sprint Spectrum
10/13/1999
(510) 682-
San Francisco
Sprint Spectrum
10/13/1999
(510) 683-
Fremont
Pacific Bell
02/04/1994
(510) 684-
San Francisco
Sprint Spectrum
10/13/1999
(510) 685-
Richmond
Cellco Partnership DBA Verizon Wireless
06/13/2000
(510) 686-
San Leandro
Sbc Internet Services
06/13/2000
(510) 687-
Fremont
Pacific Bell
06/13/2000
(510) 688-
Hayward
T-mobile Usa
01/14/2000
(510) 689-
Oakland
Mpower Communications Corp
04/20/2001
(510) 690-
Hayward
Pacific Bell
05/10/1999
(510) 691-
Hercules
Sprint Spectrum
09/19/2001
(510) 692-
Oakland
Metro PCS
10/31/2000
(510) 693-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 695-
Hayward
Cellco Partnership DBA Verizon Wireless
08/17/2007
(510) 697-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 698-
Oakland
Mpower Communications Corp
04/01/1997
(510) 699-
Oakland
33 Wireless Inc.
07/06/1997
(510) 701-
Oakland
New Cingular Wireless PCS
02/11/1995
(510) 702-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 703-
Oakland
New Cingular Wireless PCS
02/11/1995
(510) 704-
Berkeley
Pacific Bell
02/04/1994
(510) 705-
Berkeley
Pacific Bell
07/04/1995
(510) 706-
Hayward
Metro PCS
08/22/2001
(510) 708-
Oakland
New Cingular Wireless PCS
04/15/1996
(510) 709-
Fremont
O1 Communications
06/25/2001
(510) 710-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 712-
Oakland
New Cingular Wireless PCS
04/15/1996
(510) 713-
Fremont
Pacific Bell
02/04/1994
(510) 714-
Fremont
Sprint Spectrum
11/20/1998
(510) 715-
Oakland
Sprint Spectrum
04/01/1997
(510) 716-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 717-
Berkeley
T-mobile Usa
09/19/2002
(510) 718-
Oakland
American Messaging (am)
02/04/1994
(510) 719-
Oakland
Sprint Spectrum
10/11/1997
(510) 720-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 721-
Oakland
Usa Mobility Wireless
07/01/1996
(510) 722-
Crockett
Pac - West Telecomm
02/28/2001
(510) 723-
Hayward
Pacific Bell
04/01/1997
(510) 724-
El Sobrante
Pacific Bell
02/04/1994
(510) 725-
Walnut Creek
Tw Telecom Of California Lp
11/20/1998
(510) 727-
Hayward
Pacific Bell
02/04/1994
(510) 728-
Hayward
Pacific Bell
07/04/1995
(510) 729-
Oakland
Pacific Bell
02/04/1994
(510) 730-
San Francisco
Bandwidth.com Clec
02/22/2010
(510) 731-
Hayward
Mci Worldcom Communications, CA
04/15/1996
(510) 732-
Hayward
Pacific Bell
02/04/1994
(510) 733-
Hayward
Pacific Bell
02/04/1994
(510) 734-
Richmond
New Cingular Wireless PCS
01/14/2000
(510) 735-
Oakland
Pacific Bell
08/20/2000
(510) 736-
Hayward
T-mobile Usa
12/09/2013
(510) 739-
Fremont
Pacific Bell
10/15/1996
(510) 740-
Oakland
Xo California
11/20/1998
(510) 741-
El Sobrante
Pacific Bell
02/04/1994
(510) 742-
Fremont
Pacific Bell
02/04/1994
(510) 743-
Fremont
Xo California
10/31/2000
(510) 744-
Fremont
Pacific Bell
02/04/1994
(510) 745-
Fremont
Pacific Bell
02/04/1994
(510) 746-
Oakland
U.s. Telepacific Corp.
04/23/2001
(510) 747-
Alameda
Pacific Bell
01/10/1996
(510) 748-
Alameda
Pacific Bell
02/04/1994
(510) 749-
Alameda
Pacific Bell
07/01/1996
(510) 750-
Hayward
Sprint Spectrum
06/13/2000
(510) 751-
Hayward
Pac - West Telecomm
05/10/1999
(510) 752-
Oakland
Pacific Bell
01/14/2000
(510) 754-
Hayward
Sprint Spectrum
05/17/2002
(510) 755-
Hayward
Sprint Spectrum
10/31/2000
(510) 757-
San Francisco
Sprint Spectrum
01/14/2000
(510) 758-
El Sobrante
Pacific Bell
02/04/1994
(510) 759-
Oakland
New Cingular Wireless PCS
01/10/1996
(510) 760-
Hayward
Sprint Spectrum
11/20/1998
(510) 761-
Oakland
New Cingular Wireless PCS
01/10/1996
(510) 763-
Oakland
Pacific Bell
02/04/1994
(510) 764-
San Francisco
Broadwing Communications
05/10/1999
(510) 765-
El Sobrante
Pacific Bell
09/11/1994
(510) 768-
San Francisco
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 769-
Alameda
Pacific Bell
02/04/1994
(510) 770-
Fremont
Pacific Bell
02/04/1994
(510) 771-
Fremont
Mci Worldcom Communications, CA
04/15/1996
(510) 772-
Oakland
Sprint Spectrum
02/04/1994
(510) 773-
Oakland
Sprint Spectrum
01/25/1998
(510) 774-
Oakland
Sprint Spectrum
11/20/1998
(510) 775-
San Francisco
Bandwidth.com Clec
09/14/2012
(510) 776-
Richmond
Metro PCS
09/21/2001
(510) 777-
Oakland
Pacific Bell
02/04/1994
(510) 778-
Richmond
Comcast Phone Of California
09/21/2006
(510) 779-
El Sobrante
Broadwing Communications
06/13/2000
(510) 780-
Hayward
Pacific Bell
01/10/1996
(510) 781-
Hayward
Pacific Bell
07/04/1995
(510) 782-
Hayward
Pacific Bell
02/04/1994
(510) 783-
Hayward
Pacific Bell
02/04/1994
(510) 784-
Hayward
Pacific Bell
02/04/1994
(510) 785-
Hayward
Pacific Bell
02/04/1994
(510) 786-
Hayward
Pacific Bell
02/04/1994
(510) 787-
Crockett
Pacific Bell
02/04/1994
(510) 788-
San Francisco
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 789-
Fremont
Mci Worldcom Communications, CA
04/15/1996
(510) 790-
Fremont
Pacific Bell
02/04/1994
(510) 791-
Fremont
Pacific Bell
02/04/1994
(510) 792-
Fremont
Pacific Bell
02/04/1994
(510) 793-
Fremont
Pacific Bell
02/04/1994
(510) 794-
Fremont
Pacific Bell
02/04/1994
(510) 795-
Fremont
Pacific Bell
02/04/1994
(510) 796-
Fremont
Pacific Bell
02/04/1994
(510) 797-
Fremont
Pacific Bell
02/04/1994
(510) 798-
San Francisco
Sprint Spectrum
01/14/2000
(510) 799-
Hercules
Pacific Bell
02/04/1994
(510) 800-
San Francisco
Cf Communications DBA Telekenex
11/01/2011
(510) 801-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 802-
Oakland
Usa Mobility Wireless
02/11/1995
(510) 803-
Hercules
Xo California
10/13/1999
(510) 805-
Oakland
Usa Mobility Wireless
02/04/1994
(510) 808-
Oakland
Pacific Bell
02/04/1994
(510) 809-
Berkeley
U.s. Telepacific Corp.
02/27/1999
(510) 810-
Berkeley
Usa Mobility Wireless
02/04/1994
(510) 812-
Berkeley
Sprint Spectrum
02/27/1999
(510) 813-
Oakland
New Cingular Wireless PCS
02/11/1995
(510) 814-
Alameda
Pacific Bell
02/04/1994
(510) 815-
El Sobrante
Sprint Spectrum
03/03/2001
(510) 816-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 817-
Oakland
Pacific Bell
02/04/1994
(510) 818-
Fremont
Pacific Bell
02/27/1999
(510) 819-
Oakland
American Messaging Services
02/04/1994
(510) 821-
Oakland
Cellco Partnership DBA Verizon Wireless
01/10/1996
(510) 823-
San Francisco
Sprint Spectrum
01/14/2000
(510) 824-
Fremont
Allegiance Telecom
08/20/2000
(510) 825-
Hayward
Sprint Spectrum
10/18/2001
(510) 827-
San Francisco
Metro PCS
10/31/2000
(510) 828-
Hayward
Cellco Partnership DBA Verizon Wireless
03/22/2001
(510) 830-
Alameda
O1 Communications
01/25/2001
(510) 832-
Oakland
Pacific Bell
02/04/1994
(510) 834-
Oakland
Pacific Bell
02/04/1994
(510) 835-
Oakland
Pacific Bell
02/04/1994
(510) 836-
Oakland
Pacific Bell
02/04/1994
(510) 837-
Richmond
Teleport Communications Group - San Francisco
06/13/2000
(510) 838-
San Francisco
Bandwidth.com Clec
02/28/2014
(510) 839-
Oakland
Pacific Bell
02/04/1994
(510) 840-
Oakland
American Messaging (am)
02/04/1994
(510) 841-
Berkeley
Pacific Bell
02/04/1994
(510) 842-
San Francisco
Allegiance Telecom
10/13/1999
(510) 843-
Berkeley
Pacific Bell
02/04/1994
(510) 844-
Oakland
Allegiance Telecom
02/27/1999
(510) 845-
Berkeley
Pacific Bell
02/04/1994
(510) 846-
Oakland
Cellco Partnership DBA Verizon Wireless
06/13/2000
(510) 847-
Berkeley
Cellco Partnership DBA Verizon Wireless
03/22/2001
(510) 848-
Berkeley
Pacific Bell
02/04/1994
(510) 849-
Berkeley
Pacific Bell
02/04/1994
(510) 851-
Oakland
Cellco Partnership DBA Verizon Wireless
01/10/1996
(510) 852-
Oakland
Cellco Partnership DBA Verizon Wireless
01/10/1996
(510) 853-
Oakland
Cellco Partnership DBA Verizon Wireless
01/10/1996
(510) 854-
El Sobrante
O1 Communications
05/17/2001
(510) 855-
Oakland
The Telephone Connection Local Services
10/31/2000
(510) 856-
Hayward
Allegiance Telecom
06/13/2000
(510) 857-
Fremont
Allegiance Telecom
06/13/2000
(510) 858-
San Francisco
Sprint Spectrum
10/31/2000
(510) 859-
Oakland
Mpower Communications Corp
04/01/1997
(510) 860-
Richmond
Level 3 Communications
02/04/1994
(510) 861-
Hayward
New Cingular Wireless PCS
01/14/2000
(510) 862-
Hayward
New Cingular Wireless PCS
01/14/2000
(510) 863-
San Francisco
Mcimetro Access Transmission Services LLC
10/15/1996
(510) 864-
Alameda
Pacific Bell
01/10/1996
(510) 865-
Alameda
Pacific Bell
02/04/1994
(510) 866-
San Francisco
Sprint Spectrum
01/25/2001
(510) 867-
Oakland
Sprint Spectrum
10/13/1999
(510) 868-
San Francisco
Broadwing Communications
05/10/1999
(510) 869-
Oakland
Pacific Bell
02/04/1994
(510) 870-
Union City
Broadwing Communications
05/10/1999
(510) 872-
San Francisco
Sprint Spectrum
05/10/1999
(510) 873-
Oakland
Pacific Bell
02/11/1995
(510) 874-
Oakland
Pacific Bell
02/04/1994
(510) 875-
Oakland
Xo California
02/27/1999
(510) 876-
Hayward
Sbc Internet Services
03/27/2014
(510) 877-
San Francisco
Mci Worldcom Communications, CA
04/15/1996
(510) 878-
San Francisco
Comcast Phone Of California
04/15/1996
(510) 879-
San Francisco
Teleport Communications Group - San Francisco
04/15/1996
(510) 880-
Hayward
Pac - West Telecomm
07/06/1997
(510) 881-
Hayward
Pacific Bell
02/04/1994
(510) 882-
Oakland
Cellco Partnership DBA Verizon Wireless
07/04/1995
(510) 883-
Berkeley
Pacific Bell
02/04/1994
(510) 884-
Hayward
Pacific Bell
02/04/1994
(510) 885-
Hayward
Pacific Bell
02/11/1995
(510) 886-
Hayward
Pacific Bell
02/04/1994
(510) 887-
Hayward
Pacific Bell
02/04/1994
(510) 888-
Hayward
Pacific Bell
02/04/1994
(510) 889-
Hayward
Pacific Bell
02/04/1994
(510) 891-
Oakland
Pacific Bell
02/04/1994
(510) 892-
Hayward
Pac - West Telecomm
10/15/1996
(510) 893-
Oakland
Pacific Bell
02/04/1994
(510) 894-
Fremont
Comcast Phone Of California
01/11/1997
(510) 895-
San Leandro
Pacific Bell
02/04/1994
(510) 896-
Fremont
Teleport Communications Group - San Francisco
04/15/1996
(510) 897-
Fremont
Teleport Communications Group - San Francisco
04/15/1996
(510) 898-
San Francisco
Teleport Communications Group - San Francisco
04/15/1996
(510) 899-
Oakland
Pac - West Telecomm
04/15/1996
(510) 900-
San Francisco
Cf Communications DBA Telekenex
06/29/2011
(510) 903-
San Francisco
Broadwing Communications
05/10/1999
(510) 904-
San Francisco
Broadwing Communications
04/20/2001
(510) 907-
Oakland
Cellco Partnership DBA Verizon Wireless
07/06/1997
(510) 908-
Oakland
Cellco Partnership DBA Verizon Wireless
07/06/1997
(510) 909-
Hayward
Cellco Partnership DBA Verizon Wireless
07/22/1999
(510) 910-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 912-
Oakland
Cellco Partnership DBA Verizon Wireless
09/11/1994
(510) 913-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 914-
Oakland
Cellco Partnership DBA Verizon Wireless
02/04/1994
(510) 915-
Oakland
Cellco Partnership DBA Verizon Wireless
04/15/1996
(510) 917-
Oakland
Cellco Partnership DBA Verizon Wireless
02/11/1995
(510) 918-
Oakland
New Cingular Wireless PCS
02/04/1994
(510) 919-
Oakland
Cellco Partnership DBA Verizon Wireless
01/25/1998
(510) 921-
Hayward
Teleport Communications Group - San Francisco
04/15/1996
(510) 922-
Oakland
Pacific Bell
02/04/1994
(510) 923-
Oakland
Pacific Bell
10/15/1996
(510) 924-
Oakland
Global Crossing Local Services-ca
10/13/1999
(510) 926-
Oakland
Cellco Partnership DBA Verizon Wireless
06/30/2001
(510) 927-
Oakland
Global Crossing Local Services-ca
08/20/2000
(510) 928-
Oakland
New Cingular Wireless PCS
09/11/1994
(510) 931-
Hayward
O1 Communications
07/22/1999
(510) 932-
San Francisco
Sprint Spectrum
03/22/2001
(510) 933-
San Jose
U.s. Telepacific Corp.
03/01/2001
(510) 935-
Hayward
New Cingular Wireless PCS
03/27/2014
(510) 936-
Fremont
Pacific Bell
02/04/1994
(510) 938-
Fremont
Metro PCS
09/21/2001
(510) 940-
Hayward
Mpower Communications Corp
08/20/2000
(510) 943-
Fremont
Tw Telecom Of California Lp
01/14/2000
(510) 948-
Hercules
Xo California
08/18/2004
(510) 952-
Union City
Sprint Spectrum
05/17/2001
(510) 957-
San Francisco
Allegiance Telecom
05/10/1999
(510) 962-
Hayward
Level 3 Communications
07/22/1999
(510) 964-
El Sobrante
Pacific Bell
07/22/1999
(510) 965-
Richmond
Pacific Bell
07/22/1999
(510) 966-
Union City
American Messaging Services
05/10/1999
(510) 967-
San Francisco
Sprint Spectrum
07/22/1999
(510) 968-
Fremont
American Messaging (am)
10/13/1999
(510) 969-
Oakland
Tw Telecom Of California Lp
05/10/1999
(510) 970-
Richmond
Pacific Bell
02/04/1994
(510) 972-
Union City
Comcast Phone Of California
04/01/1997
(510) 976-
North County Communications Corp.
06/08/2011
(510) 978-
Oakland
Level 3 Communications
07/22/1999
(510) 979-
Fremont
Pacific Bell
07/22/1999
(510) 981-
Berkeley
Pacific Bell
07/22/1999
(510) 982-
San Francisco
Mci Worldcom Communications, CA
04/15/1996
(510) 984-
Oakland
Level 3 Communications
07/22/1999
(510) 985-
Oakland
Pacific Bell
05/10/1999
(510) 986-
Oakland
Pacific Bell
04/15/1996
(510) 987-
Oakland
Pacific Bell
02/04/1994
(510) 990-
San Francisco
Cf Communications DBA Telekenex
07/20/2012
(510) 991-
Union City
Pac - West Telecomm
05/10/1999
(510) 992-
Oakland
Pac - West Telecomm
05/10/1999
(510) 995-
Oakland
U.s. Telepacific Corp.
07/22/1999
(510) 996-
Fremont
Global Crossing Local Services-ca
05/10/1999
(510) 997-
Oakland
American Messaging Services
07/22/1999
(510) 999-
Hayward
Cf Communications DBA Telekenex
10/22/2010

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com


Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.