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510 Area Code

About Area Code 510

State: California
Major City: Oakland
Timezone: Pacific
Current Time: 4:25pm
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.

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 4:25pm.

History

Area code 510 was first put in service September 2, 1991. It was created from area code 415. In 1998, area code 510 was split, and some of the phone numbers had to be updated 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 Area Code% of County
Alameda, CA1,510,27176%49%
Contra Costa, CA1,049,02524%16%

Top 33 Cities in Area Code 510

CityTotal Population% of Area Code% 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

510 Area Code Prefixes

Assigned

Usage


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

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com


Source: Area code information compiled from the North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.