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925 Area Code

About Area Code 925

State: California
Major City: Concord
Timezone: Pacific
Current Time: 5:19am
Short URL: allareacodes.com/925

Area Code 925 Map

Where is area code 925?

Area code 925 is located in California and covers Concord, Antioch, Livermore, San Ramon, and Pleasanton. It is the only area code that serves the area.

What time zone is area code 925?

The 925 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 5:19am.

History

Area code 925 was first put in service March 14, 1998. It was created from area code 510.

Nearby Area Codes

209 (Stockton, CA)
279/916 (Sacramento, CA)
408/669 (San Jose, CA)
510 (Oakland, CA)
530 (Redding, CA)
650 (San Mateo, CA)
707 (Santa Rosa, CA)
925 (Concord, CA)

Top 2 Counties in Area Code 925

CountyTotal Population
Contra Costa, CA1,049,025
Alameda, CA1,510,271

Top 41 Cities in Area Code 925

CityTotal Population
Concord, CA122,067
Antioch, CA102,372
Livermore, CA80,968
San Ramon, CA72,148
Pleasanton, CA70,285
Walnut Creek, CA64,173
Pittsburg, CA63,264
Brentwood, CA51,481
Dublin, CA46,036
Danville, CA42,039
Martinez, CA35,824
Oakley, CA35,432
Pleasant Hill, CA33,152
Lafayette, CA23,893
Bay Point, CA21,349
Orinda, CA17,643
Moraga, CA16,016
Alamo, CA14,570
Discovery Bay, CA13,352
Clayton, CA10,897
Blackhawk, CA9,354
Contra Costa Centre, CA5,364
Saranap, CA5,202
Vine Hill, CA3,761
Pacheco, CA3,685
San Miguel, CA3,392
Reliez Valley, CA3,101
Mountain View, CA2,372
Camino Tassajara, CA2,197
Bethel Island, CA2,137
Knightsen, CA1,568
Castle Hill, CA1,299
Byron, CA1,277
Diablo, CA1,158
Acalanes Ridge, CA1,137
Shell Ridge, CA959
Norris Canyon, CA957
Alhambra Valley, CA924
Sunol, CA913
North Gate, CA679
Clyde, CA678

Largest Telephone Carriers

Landline

Prefixes Carrier
28%Pacific Bell
5%Pac - West Telecomm
5%Us Telepacific
4%Teleport Group - San Francisco
3%Xo
3%Mcimetro Access Transmission Services
3%Level 3
17%Other

Wireless

Prefixes Carrier
10%Pacific Bell
7%Cingular
6%Sprint
5%Verizon Wireless
2%T-mobile
1%American Messaging Services
1%American Messaging (am)
3%Other

925 Area Code Prefixes

Assigned

Usage


Prefix
Usage
Primary City
Carrier
Introduced
(925) 200-
Wireless
Pleasanton
Cellco Partnership DBA Verizon Wireless
Introduced 05/18/1998
(925) 201-
Landline
Pleasanton
Mpower Communications Corp
Introduced 05/18/1998
(925) 202-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 05/10/1999
(925) 203-
Wireless
Pittsburg
New Cingular Wireless PCS
Introduced 02/22/2002
(925) 205-
Wireless
Antioch
American Messaging Services
Introduced 05/10/1999
(925) 206-
Wireless
Antioch
Cellco Partnership DBA Verizon Wireless
Introduced 08/29/2007
(925) 207-
Wireless
Concord
Sprint Spectrum L.p.
Introduced 10/18/2001
(925) 208-
Landline
Danville
Teleport Communications Group - San Francisco
Introduced 05/10/1999
(925) 209-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 08/14/1998
(925) 210-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 212-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 05/10/1999
(925) 213-
Wireless
Walnut Creek
Usa Mobility Wireless
Introduced 11/20/1998
(925) 215-
Landline
Livermore
Broadwing Communications
Introduced 05/10/1999
(925) 216-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 11/20/1998
(925) 217-
Landline
Danville
Broadwing Communications
Introduced 05/10/1999
(925) 218-
Landline
Pleasanton
Broadwing Communications
Introduced 05/10/1999
(925) 219-
Landline
Antioch
Broadwing Communications
Introduced 05/10/1999
(925) 220-
Wireless
Walnut Creek
American Messaging Services
Introduced 05/10/1999
(925) 221-
Wireless
Walnut Creek
33 Wireless Inc.
Introduced 07/22/1999
(925) 222-
Landline
Concord
Cf Communications DBA Telekenex
Introduced 09/09/2010
(925) 223-
Landline
Pleasanton
Mcimetro Access Transmission Services LLC
Introduced 05/10/1999
(925) 224-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 225-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 226-
Landline
Fremont
Xo California
Introduced 02/27/1999
(925) 227-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 228-
Landline
Martinez
Pacific Bell
Introduced 05/18/1998
(925) 229-
Landline
Martinez
Pacific Bell
Introduced 05/18/1998
(925) 230-
Landline
San Ramon
Level 3 Communications
Introduced 10/13/1999
(925) 231-
Landline
Martinez
Level 3 Communications
Introduced 05/10/1999
(925) 232-
Landline
Pittsburg
Level 3 Communications
Introduced 05/10/1999
(925) 233-
Landline
Sunol
Level 3 Communications
Introduced 05/10/1999
(925) 234-
Landline
Antioch
Level 3 Communications
Introduced 05/10/1999
(925) 235-
Landline
Moraga
Level 3 Communications
Introduced 05/10/1999
(925) 236-
Landline
San Ramon
Broadwing Communications
Introduced 03/03/2001
(925) 237-
Landline
Antioch
Xo California
Introduced 07/22/1999
(925) 238-
Landline
Antioch
Comcast Phone Of California
Introduced 10/31/2008
(925) 239-
Landline
Walnut Creek
Peerless Network Of California
Introduced 03/25/2013
(925) 240-
Landline
Brentwood
Pacific Bell
Introduced 05/10/1999
(925) 241-
Landline
San Ramon
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 242-
Landline
San Ramon
Pacific Bell
Introduced 05/10/1999
(925) 243-
Landline
Livermore
Pacific Bell
Introduced 05/10/1999
(925) 244-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 245-
Landline
Livermore
Pacific Bell
Introduced 05/10/1999
(925) 246-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 247-
Landline
Moraga
Pacific Bell
Introduced 05/10/1999
(925) 248-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 249-
Landline
Pleasanton
Pacific Bell
Introduced 05/10/1999
(925) 250-
Wireless
Concord
Sprint Spectrum L.p.
Introduced 05/10/1999
(925) 251-
Wireless
Pleasanton
Pacific Bell
Introduced 05/10/1999
(925) 252-
Landline
Pittsburg
Pacific Bell
Introduced 05/10/1999
(925) 253-
Landline
Orinda
Pacific Bell
Introduced 05/18/1998
(925) 254-
Landline
Orinda
Pacific Bell
Introduced 05/18/1998
(925) 255-
Landline
Orinda
Mci Worldcom Communications, CA
Introduced 05/18/1998
(925) 256-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 257-
Landline
Orinda
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 258-
Landline
Orinda
Pacific Bell
Introduced 05/18/1998
(925) 259-
Landline
Orinda
Xo California
Introduced 02/27/1999
(925) 260-
Wireless
Walnut Creek
Sprint Spectrum L.p.
Introduced 05/10/1999
(925) 261-
Landline
Pittsburg
Pacific Bell
Introduced 05/10/1999
(925) 262-
Landline
Oakland
Global Crossing Local Services-ca
Introduced 05/10/1999
(925) 263-
Landline
Danville
Global Crossing Local Services-ca
Introduced 05/10/1999
(925) 264-
Landline
Pleasanton
Global Crossing Local Services-ca
Introduced 05/10/1999
(925) 265-
Landline
Concord
Global Crossing Local Services-ca
Introduced 05/10/1999
(925) 267-
Landline
Pittsburg
Xo California
Introduced 07/22/1999
(925) 268-
Landline
Moraga
Xo California
Introduced 07/22/1999
(925) 269-
Landline
Martinez
Xo California
Introduced 07/22/1999
(925) 270-
Landline
Concord
Broadwing Communications
Introduced 05/10/1999
(925) 271-
Landline
Pleasanton
Teleport Communications Group - San Francisco
Introduced 05/10/1999
(925) 272-
Landline
Danville
Level 3 Communications
Introduced 05/10/1999
(925) 273-
Landline
Livermore
Xo California
Introduced 07/22/1999
(925) 274-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 275-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 276-
Landline
Clayton
Xo California
Introduced 07/22/1999
(925) 277-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 278-
Landline
Walnut Creek
Comcast Phone Of California
Introduced 10/24/2013
(925) 279-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 280-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 281-
Landline
Antioch
Pac - West Telecomm
Introduced 05/10/1999
(925) 282-
Landline
Lafayette
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 283-
Landline
Lafayette
Pacific Bell
Introduced 05/18/1998
(925) 284-
Landline
Lafayette
Pacific Bell
Introduced 05/18/1998
(925) 285-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 05/10/1999
(925) 286-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 05/10/1999
(925) 287-
Wireless
Walnut Creek
Pacific Bell
Introduced 07/22/1999
(925) 288-
Landline
Concord
Pacific Bell
Introduced 07/22/1999
(925) 289-
Landline
Walnut Creek
Ymax Communications Corp.
Introduced 02/23/2009
(925) 290-
Landline
Livermore
Xo California
Introduced 07/22/1999
(925) 291-
Landline
Pittsburg
Xo California
Introduced 07/22/1999
(925) 292-
Landline
Livermore
Comcast Phone Of California
Introduced 05/18/1998
(925) 293-
Landline
Martinez
Pac - West Telecomm
Introduced 07/22/1999
(925) 294-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 295-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 296-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 297-
Landline
Lafayette
Xo California
Introduced 02/27/1999
(925) 298-
Landline
Lafayette
Mci Worldcom Communications, CA
Introduced 05/18/1998
(925) 299-
Landline
Lafayette
Pacific Bell
Introduced 05/18/1998
(925) 300-
Landline
Walnut Creek
O1 Communications
Introduced 05/10/1999
(925) 301-
Landline
Antioch
O1 Communications
Introduced 05/10/1999
(925) 302-
Landline
San Ramon
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 303-
Landline
Antioch
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 304-
Landline
Walnut Creek
Level 3 Communications
Introduced 05/10/1999
(925) 305-
Landline
Concord
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 307-
Landline
San Ramon
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 308-
Landline
Brentwood
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 309-
Landline
Walnut Creek
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 310-
Landline
Lafayette
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 312-
Wireless
Antioch
Usa Mobility Wireless
Introduced 05/18/1998
(925) 313-
Landline
Martinez
Pacific Bell
Introduced 05/18/1998
(925) 314-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 315-
Landline
Livermore
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 316-
Landline
Walnut Creek
Level 3 Communications
Introduced 05/10/1999
(925) 317-
Landline
Walnut Creek
O1 Communications
Introduced 05/10/1999
(925) 318-
Landline
Walnut Creek
Tw Telecom Of California Lp
Introduced 05/10/1999
(925) 319-
Landline
Sunol
T-mobile Usa
Introduced 05/10/1999
(925) 320-
Landline
Moraga
U.s. Telepacific Corp.
Introduced 03/27/2001
(925) 321-
Wireless
Livermore
New Cingular Wireless PCS
Introduced 11/30/2001
(925) 322-
Landline
Walnut Creek
Bandwidth.com Clec
Introduced 05/10/2011
(925) 323-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 11/20/1998
(925) 324-
Wireless
Walnut Creek
Cellco Partnership DBA Verizon Wireless
Introduced 08/21/2002
(925) 325-
Wireless
Pittsburg
T-mobile Usa
Introduced 12/28/2001
(925) 326-
Landline
Concord
Level 3 Communications
Introduced 05/29/2013
(925) 327-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 328-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 330-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 11/30/2001
(925) 331-
Landline
Antioch
U.s. Telepacific Corp.
Introduced 07/17/2001
(925) 332-
Landline
Concord
Peerless Network Of California
Introduced 10/04/2012
(925) 333-
Wireless
Walnut Creek
American Messaging (am)
Introduced 07/22/1999
(925) 334-
Wireless
Concord
Cellco Partnership DBA Verizon Wireless
Introduced 07/19/2011
(925) 335-
Landline
Martinez
Pacific Bell
Introduced 05/18/1998
(925) 336-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 12/28/2001
(925) 337-
Wireless
Livermore
Cellco Partnership DBA Verizon Wireless
Introduced 01/28/2002
(925) 338-
Landline
Concord
Bandwidth.com Clec
Introduced 07/22/2011
(925) 339-
Wireless
Livermore
Metro PCS
Introduced 09/21/2001
(925) 340-
Wireless
Walnut Creek
Usa Mobility Wireless
Introduced 05/18/1998
(925) 341-
Wireless
Antioch
American Messaging (am)
Introduced 06/13/2000
(925) 342-
Wireless
Antioch
American Messaging (am)
Introduced 05/10/1999
(925) 343-
Wireless
Pleasanton
American Messaging Services
Introduced 05/10/1999
(925) 344-
Landline
Livermore
Mpower Communications Corp
Introduced 05/18/1998
(925) 345-
Wireless
Danville
American Messaging (am)
Introduced 07/22/1999
(925) 346-
Wireless
Concord
American Messaging (am)
Introduced 07/22/1999
(925) 347-
Wireless
Livermore
American Messaging (am)
Introduced 07/22/1999
(925) 348-
Wireless
Concord
New Cingular Wireless PCS
Introduced 01/28/2002
(925) 349-
Landline
Concord
Teleport Communications Group - San Francisco
Introduced 08/14/1998
(925) 350-
Landline
Antioch
Comcast Phone Of California
Introduced 09/13/2011
(925) 351-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 05/10/1999
(925) 352-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 05/10/1999
(925) 353-
Wireless
Fremont
New Cingular Wireless PCS
Introduced 01/28/2002
(925) 354-
Wireless
Antioch
New Cingular Wireless PCS
Introduced 01/28/2002
(925) 355-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 356-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 357-
Landline
Walnut Creek
Level 3 Communications
Introduced 09/13/2011
(925) 358-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 359-
Landline
San Ramon
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 360-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 10/13/1999
(925) 361-
Landline
San Ramon
Teleport Communications Group - San Francisco
Introduced 07/22/1999
(925) 362-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 363-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 364-
Landline
Hayward
Mci Worldcom Communications, CA
Introduced 01/14/2000
(925) 365-
Landline
San Ramon
Teleport Communications Group - San Francisco
Introduced 08/14/1998
(925) 366-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 07/22/1999
(925) 367-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 07/22/1999
(925) 368-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 07/22/1999
(925) 369-
Landline
Martinez
Pac - West Telecomm
Introduced 05/18/1998
(925) 370-
Landline
Martinez
Pacific Bell
Introduced 05/18/1998
(925) 371-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 372-
Landline
Martinez
Pacific Bell
Introduced 05/18/1998
(925) 373-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 374-
Landline
Martinez
Allegiance Telecom
Introduced 10/31/2000
(925) 376-
Landline
Moraga
Pacific Bell
Introduced 05/18/1998
(925) 377-
Landline
Moraga
Pacific Bell
Introduced 05/18/1998
(925) 380-
Landline
San Ramon
Level 3 Communications
Introduced 06/30/2001
(925) 381-
Wireless
Concord
New Cingular Wireless PCS
Introduced 07/22/1999
(925) 382-
Wireless
Antioch
Sprint Spectrum L.p.
Introduced 07/22/1999
(925) 383-
Wireless
Concord
Sprint Spectrum L.p.
Introduced 07/22/1999
(925) 385-
Landline
Oakland
Teleport Communications Group - San Francisco
Introduced 10/13/1999
(925) 386-
Landline
Oakland
Teleport Communications Group - San Francisco
Introduced 10/13/1999
(925) 387-
Landline
Martinez
Teleport Communications Group - San Francisco
Introduced 10/13/1999
(925) 388-
Landline
Oakland
Teleport Communications Group - San Francisco
Introduced 10/13/1999
(925) 389-
Wireless
Danville
New Cingular Wireless PCS
Introduced 11/30/2001
(925) 391-
Landline
Concord
Level 3 Communications
Introduced 11/25/2013
(925) 392-
Landline
Brentwood
Teleport Communications Group - San Francisco
Introduced 03/03/2001
(925) 394-
Landline
San Ramon
Global Crossing Local Services-ca
Introduced 01/14/2000
(925) 395-
Landline
Walnut Creek
AT&T Local
Introduced 03/03/2001
(925) 396-
Landline
Pleasanton
Pac - West Telecomm
Introduced 05/18/1998
(925) 397-
Landline
Pleasanton
Pac - West Telecomm
Introduced 05/18/1998
(925) 398-
Landline
Pleasanton
Teleport Communications Group - San Francisco
Introduced 05/18/1998
(925) 399-
Landline
Pleasanton
Comcast Phone Of California
Introduced 05/18/1998
(925) 400-
Landline
Pleasanton
O1 Communications
Introduced 05/10/1999
(925) 401-
Landline
Pleasanton
Allegiance Telecom
Introduced 07/22/1999
(925) 402-
Landline
Orinda
Allegiance Telecom
Introduced 07/22/1999
(925) 403-
Landline
Lafayette
Allegiance Telecom
Introduced 07/22/1999
(925) 404-
Landline
San Ramon
Allegiance Telecom
Introduced 07/22/1999
(925) 405-
Landline
Concord
Allegiance Telecom
Introduced 07/22/1999
(925) 406-
Landline
Danville
Allegiance Telecom
Introduced 07/22/1999
(925) 407-
Landline
Walnut Creek
Allegiance Telecom
Introduced 07/22/1999
(925) 408-
Wireless
Concord
New Cingular Wireless PCS
Introduced 06/30/2001
(925) 410-
Wireless
Martinez
American Messaging Services
Introduced 10/13/1999
(925) 413-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 01/14/2000
(925) 415-
Landline
San Ramon
Broadwing Communications
Introduced 06/30/2001
(925) 416-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 417-
Landline
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 418-
Landline
Brentwood
Broadwing Communications
Introduced 06/30/2001
(925) 419-
Wireless
San Ramon
American Messaging Services
Introduced 07/22/1999
(925) 420-
Landline
Brentwood
O1 Communications
Introduced 06/30/2001
(925) 421-
Landline
Concord
Bandwidth.com Clec
Introduced 01/27/2012
(925) 422-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 423-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 424-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 425-
Landline
Pleasanton
Teleport Communications Group - San Francisco
Introduced 10/13/1999
(925) 426-
Landline
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 427-
Landline
Pittsburg
Pacific Bell
Introduced 05/18/1998
(925) 428-
Wireless
Antioch
T-mobile Usa
Introduced 04/19/2013
(925) 429-
Landline
Concord
Broadwing Communications
Introduced 06/13/2000
(925) 431-
Landline
Pittsburg
Pacific Bell
Introduced 05/18/1998
(925) 432-
Landline
Pittsburg
Pacific Bell
Introduced 05/18/1998
(925) 435-
Landline
Concord
T-mobile Usa
Introduced 03/03/2001
(925) 437-
Wireless
Antioch
New Cingular Wireless PCS
Introduced 08/20/2000
(925) 438-
Landline
Orinda
U.s. Telepacific Corp.
Introduced 10/31/2000
(925) 439-
Landline
Pittsburg
Pacific Bell
Introduced 05/18/1998
(925) 443-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 444-
Landline
Lafayette
U.s. Telepacific Corp.
Introduced 06/30/2001
(925) 446-
Wireless
Concord
Sprint Spectrum L.p.
Introduced 06/25/2012
(925) 447-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 448-
Wireless
Walnut Creek
Cellco Partnership DBA Verizon Wireless
Introduced 04/28/2014
(925) 449-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 451-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 07/22/1999
(925) 452-
Landline
San Ramon
U.s. Telepacific Corp.
Introduced 08/20/2000
(925) 453-
Landline
Livermore
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 454-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 455-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 456-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 457-
Wireless
Walnut Creek
Sprint Spectrum L.p.
Introduced 10/31/2000
(925) 458-
Landline
Pittsburg
Pacific Bell
Introduced 05/18/1998
(925) 459-
Landline
Concord
Broadwing Communications
Introduced 05/10/1999
(925) 460-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 461-
Landline
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 462-
Landline
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 463-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 464-
Wireless
Walnut Creek
Cellco Partnership DBA Verizon Wireless
Introduced 08/16/2012
(925) 465-
Landline
Walnut Creek
Broadwing Communications
Introduced 01/14/2000
(925) 467-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 468-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 469-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 470-
Landline
Antioch
Teleport Communications Group - San Francisco
Introduced 05/18/1998
(925) 472-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 473-
Landline
Pittsburg
Pacific Bell
Introduced 05/18/1998
(925) 474-
Landline
Pleasanton
U.s. Telepacific Corp.
Introduced 08/20/2000
(925) 475-
Landline
Pleasanton
Pac - West Telecomm
Introduced 10/13/1999
(925) 476-
Landline
Oakland
Pac - West Telecomm
Introduced 10/13/1999
(925) 478-
Landline
Walnut Creek
Level 3 Communications
Introduced 02/27/1999
(925) 479-
Landline
San Ramon
Pacific Bell
Introduced 10/31/2000
(925) 480-
Landline
San Ramon
U.s. Telepacific Corp.
Introduced 05/18/1998
(925) 481-
Wireless
Antioch
New Cingular Wireless PCS
Introduced 03/24/2014
(925) 482-
Landline
Walnut Creek
U.s. Telepacific Corp.
Introduced 10/31/2000
(925) 484-
Landline
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 485-
Landline
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 487-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 06/13/2000
(925) 490-
Unknown
Bandwidth.com Clec
Introduced 05/23/2014
(925) 493-
Landline
Livermore
Teleport Communications Group - San Francisco
Introduced 10/31/2000
(925) 497-
Wireless
Concord
Metro PCS
Introduced 08/22/2001
(925) 498-
Landline
San Ramon
U.s. Telepacific Corp.
Introduced 03/03/2001
(925) 500-
Landline
Martinez
O1 Communications
Introduced 05/10/1999
(925) 509-
Wireless
San Ramon
Usa Mobility Wireless
Introduced 11/20/1998
(925) 513-
Landline
Brentwood
Pacific Bell
Introduced 05/18/1998
(925) 516-
Landline
Brentwood
Pacific Bell
Introduced 05/18/1998
(925) 517-
Landline
Pittsburg
O1 Communications
Introduced 05/18/2001
(925) 518-
Wireless
Livermore
Sprint Spectrum L.p.
Introduced 08/14/1998
(925) 519-
Wireless
Pleasanton
Cellco Partnership DBA Verizon Wireless
Introduced 11/20/1998
(925) 520-
Wireless
Pleasanton
Pacific Bell
Introduced 10/13/1999
(925) 521-
Landline
Concord
Pacific Bell
Introduced 10/13/1999
(925) 522-
Landline
Antioch
Pacific Bell
Introduced 10/13/1999
(925) 523-
Wireless
Pleasanton
Pacific Bell
Introduced 01/14/2000
(925) 524-
Landline
Clayton
Pacific Bell
Introduced 01/14/2000
(925) 525-
Wireless
Livermore
Sprint Spectrum L.p.
Introduced 08/20/2000
(925) 526-
Landline
Pittsburg
U.s. Telepacific Corp.
Introduced 08/20/2000
(925) 527-
Wireless
Walnut Creek
The Telephone Connection Local Services
Introduced 10/31/2000
(925) 528-
Wireless
Orinda
Sprint Spectrum L.p.
Introduced 10/31/2000
(925) 529-
Landline
Antioch
Cf Communications DBA Telekenex
Introduced 11/22/2010
(925) 535-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 10/31/2000
(925) 543-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 548-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 01/14/2000
(925) 549-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 01/14/2000
(925) 550-
Wireless
Antioch
New Cingular Wireless PCS
Introduced 02/27/1999
(925) 551-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 552-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 553-
Landline
Danville
Xo California
Introduced 02/27/1999
(925) 556-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 557-
Landline
San Ramon
Mci Worldcom Communications, CA
Introduced 05/18/1998
(925) 558-
Landline
San Ramon
Xo California
Introduced 02/27/1999
(925) 560-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 565-
Wireless
Antioch
Metro PCS
Introduced 09/21/2001
(925) 566-
Landline
Concord
AT&T Local
Introduced 05/10/1999
(925) 567-
Wireless
Clayton
Sprint Spectrum L.p.
Introduced 07/17/2001
(925) 568-
Landline
Sunol
Teleport Communications Group - San Francisco
Introduced 01/14/2000
(925) 570-
Wireless
San Ramon
Sprint Spectrum L.p.
Introduced 05/10/1999
(925) 571-
Landline
San Ramon
North County Communications Corp.
Introduced 06/13/2000
(925) 572-
Landline
Pleasanton
North County Communications Corp.
Introduced 06/13/2000
(925) 573-
Landline
Pittsburg
North County Communications Corp.
Introduced 06/13/2000
(925) 574-
Landline
San Ramon
U.s. Telepacific Corp.
Introduced 06/27/2001
(925) 575-
Wireless
Danville
Sprint Spectrum L.p.
Introduced 03/03/2001
(925) 577-
Wireless
San Ramon
T-mobile Usa
Introduced 09/19/2001
(925) 579-
Landline
Livermore
Allegiance Telecom
Introduced 04/24/2001
(925) 580-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 07/22/1999
(925) 583-
Landline
Livermore
U.s. Telepacific Corp.
Introduced 08/20/2000
(925) 584-
Wireless
Antioch
Sprint Spectrum L.p.
Introduced 10/31/2000
(925) 585-
Wireless
Concord
American Messaging Services
Introduced 08/14/1998
(925) 586-
Wireless
Concord
Cellco Partnership DBA Verizon Wireless
Introduced 06/13/2000
(925) 587-
Landline
San Ramon
Mpower Communications Corp
Introduced 06/13/2000
(925) 588-
Wireless
Walnut Creek
Mpower Communications Corp
Introduced 06/13/2000
(925) 592-
Landline
Walnut Creek
Mpower Communications Corp
Introduced 11/20/1998
(925) 594-
Wireless
Danville
Metro PCS
Introduced 09/21/2001
(925) 595-
Wireless
Concord
Sprint Spectrum L.p.
Introduced 05/18/2001
(925) 596-
Wireless
Pleasanton
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
(925) 597-
Wireless
Pittsburg
Cellco Partnership DBA Verizon Wireless
Introduced 06/13/2000
(925) 598-
Wireless
Pleasanton
Pacific Bell
Introduced 08/14/1998
(925) 600-
Landline
Pleasanton
Pacific Bell
Introduced 02/27/1999
(925) 602-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 603-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 605-
Landline
Livermore
Pac - West Telecomm
Introduced 11/20/1998
(925) 606-
Landline
Livermore
Pacific Bell
Introduced 05/18/1998
(925) 608-
Landline
Martinez
Broadwing Communications
Introduced 03/01/2001
(925) 609-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 621-
Landline
Pleasanton
U.s. Telepacific Corp.
Introduced 04/26/2001
(925) 623-
Wireless
Pleasanton
Sprint Spectrum L.p.
Introduced 10/31/2000
(925) 625-
Landline
Oakley
Pacific Bell
Introduced 05/18/1998
(925) 626-
Landline
Brentwood
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 627-
Landline
Walnut Creek
U.s. Telepacific Corp.
Introduced 03/27/2001
(925) 628-
Wireless
Antioch
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
(925) 631-
Landline
Moraga
Pacific Bell
Introduced 05/18/1998
(925) 634-
Landline
Brentwood
Pacific Bell
Introduced 05/18/1998
(925) 635-
Landline
Pittsburg
Teleport Communications Group - San Francisco
Introduced 08/20/2000
(925) 639-
Wireless
Walnut Creek
T-mobile Usa
Introduced 10/18/2001
(925) 640-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 02/27/1999
(925) 642-
Wireless
Antioch
New Cingular Wireless PCS
Introduced 03/03/2001
(925) 643-
Landline
Pittsburg
U.s. Telepacific Corp.
Introduced 05/21/2001
(925) 646-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 648-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 658-
Landline
Walnut Creek
Teleport Communications Group - San Francisco
Introduced 06/13/2000
(925) 659-
Landline
San Ramon
Teleport Communications Group - San Francisco
Introduced 06/13/2000
(925) 660-
Landline
Pleasanton
Tw Telecom Of California Lp
Introduced 08/14/1998
(925) 663-
Landline
Sunol
Pac - West Telecomm
Introduced 07/22/1999
(925) 664-
Landline
Pittsburg
Pac - West Telecomm
Introduced 07/22/1999
(925) 665-
Landline
Pittsburg
Pac - West Telecomm
Introduced 07/22/1999
(925) 666-
Landline
Brentwood
Pac - West Telecomm
Introduced 07/22/1999
(925) 667-
Landline
Livermore
U.s. Telepacific Corp.
Introduced 05/18/2001
(925) 671-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 672-
Landline
Clayton
Pacific Bell
Introduced 05/18/1998
(925) 673-
Landline
Clayton
Pacific Bell
Introduced 05/18/1998
(925) 674-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 675-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 676-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 677-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 678-
Landline
Danville
U.s. Telepacific Corp.
Introduced 08/20/2000
(925) 679-
Landline
Oakley
Pacific Bell
Introduced 05/18/1998
(925) 680-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 681-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 682-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 683-
Wireless
Danville
New Cingular Wireless PCS
Introduced 05/10/1999
(925) 684-
Landline
Oakley
Pacific Bell
Introduced 05/18/1998
(925) 685-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 686-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 687-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 688-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 689-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 690-
Landline
Clayton
Mcimetro Access Transmission Services LLC
Introduced 02/27/1999
(925) 691-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 692-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 693-
Landline
Clayton
Teleport Communications Group - San Francisco
Introduced 10/31/2000
(925) 694-
Landline
Pleasanton
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 695-
Landline
Concord
Mpower Communications Corp
Introduced 05/18/1998
(925) 698-
Wireless
Pittsburg
New Cingular Wireless PCS
Introduced 01/14/2000
(925) 699-
Wireless
Pleasanton
New Cingular Wireless PCS
Introduced 01/14/2000
(925) 701-
Landline
Pleasanton
U.s. Telepacific Corp.
Introduced 06/13/2000
(925) 705-
Wireless
Walnut Creek
Metro PCS
Introduced 08/22/2001
(925) 706-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 708-
Wireless
Walnut Creek
Cellco Partnership DBA Verizon Wireless
Introduced 01/26/2001
(925) 709-
Landline
Pittsburg
Pacific Bell
Introduced 05/18/1998
(925) 718-
Landline
Danville
O1 Communications
Introduced 01/26/2001
(925) 719-
Wireless
San Ramon
Cellco Partnership DBA Verizon Wireless
Introduced 04/16/2002
(925) 723-
Landline
Martinez
Mpower Communications Corp
Introduced 06/13/2000
(925) 724-
Landline
Livermore
Mpower Communications Corp
Introduced 06/13/2000
(925) 725-
Landline
Danville
Mpower Communications Corp
Introduced 06/13/2000
(925) 726-
Landline
Concord
Mpower Communications Corp
Introduced 01/14/2000
(925) 727-
Landline
Antioch
Mpower Communications Corp
Introduced 06/13/2000
(925) 730-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 732-
Landline
Antioch
Cf Communications DBA Telekenex
Introduced 11/02/2011
(925) 734-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 735-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 736-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 737-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 738-
Landline
Pleasanton
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 742-
Wireless
Livermore
American Messaging Services
Introduced 01/14/2000
(925) 743-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 746-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 750-
Landline
Pleasanton
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 752-
Landline
Antioch
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 753-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 754-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 755-
Landline
Antioch
Pacific Bell
Introduced 08/14/1998
(925) 756-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 757-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 759-
Wireless
Antioch
New Cingular Wireless PCS
Introduced 06/13/2000
(925) 762-
Landline
San Ramon
Pacific Bell
Introduced 02/27/1999
(925) 765-
Wireless
Walnut Creek
Sprint Spectrum L.p.
Introduced 06/13/2000
(925) 766-
Wireless
Walnut Creek
Sprint Spectrum L.p.
Introduced 11/20/1998
(925) 768-
Wireless
Concord
Cellco Partnership DBA Verizon Wireless
Introduced 06/25/2001
(925) 771-
Landline
Concord
U.s. Telepacific Corp.
Introduced 03/01/2001
(925) 775-
Landline
Antioch
Pac - West Telecomm
Introduced 05/18/1998
(925) 776-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 777-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 778-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 779-
Landline
Antioch
Pacific Bell
Introduced 05/18/1998
(925) 783-
Wireless
Antioch
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/1999
(925) 784-
Wireless
Livermore
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/1999
(925) 785-
Wireless
San Ramon
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/1999
(925) 786-
Wireless
San Ramon
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/1999
(925) 787-
Wireless
Concord
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/1999
(925) 788-
Wireless
Walnut Creek
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/1999
(925) 789-
Wireless
Sunol
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/1999
(925) 790-
Landline
San Ramon
Pacific Bell
Introduced 01/26/2001
(925) 791-
Landline
Concord
U.s. Telepacific Corp.
Introduced 07/16/2001
(925) 794-
Landline
Moraga
O1 Communications
Introduced 07/17/2001
(925) 798-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 800-
Landline
Livermore
O1 Communications
Introduced 05/10/1999
(925) 803-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 804-
Landline
San Ramon
Teleport Communications Group - San Francisco
Introduced 05/18/1998
(925) 806-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 807-
Landline
San Ramon
Xo California
Introduced 02/27/1999
(925) 808-
Landline
Concord
Pacific Bell
Introduced 05/10/1999
(925) 809-
Landline
Brentwood
U.s. Telepacific Corp.
Introduced 03/01/2001
(925) 812-
Wireless
Martinez
Metro PCS
Introduced 09/21/2001
(925) 813-
Wireless
Antioch
Cellco Partnership DBA Verizon Wireless
Introduced 08/21/2002
(925) 815-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 817-
Wireless
Walnut Creek
Pacific Bell
Introduced 07/22/1999
(925) 818-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 10/13/1999
(925) 819-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 10/13/1999
(925) 820-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 822-
Landline
Concord
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 823-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 824-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 825-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 826-
Landline
Concord
Mci Worldcom Communications, CA
Introduced 05/18/1998
(925) 827-
Landline
Concord
Pacific Bell
Introduced 05/18/1998
(925) 828-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 829-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 830-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 831-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 833-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 835-
Landline
Sunol
U.s. Telepacific Corp.
Introduced 08/20/2000
(925) 837-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 838-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 839-
Landline
Martinez
U.s. Telepacific Corp.
Introduced 04/24/2001
(925) 842-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 843-
Landline
San Ramon
Tw Telecom Of California Lp
Introduced 05/20/2010
(925) 844-
Landline
Clayton
U.s. Telepacific Corp.
Introduced 07/17/2001
(925) 846-
Landline
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 847-
Wireless
Pleasanton
Pacific Bell
Introduced 05/18/1998
(925) 848-
Landline
Antioch
Pac - West Telecomm
Introduced 01/14/2000
(925) 849-
Landline
Concord
U.s. Telepacific Corp.
Introduced 08/20/2000
(925) 852-
Landline
Concord
Xo California
Introduced 04/24/2001
(925) 854-
Landline
Danville
Mci Worldcom Communications, CA
Introduced 05/18/1998
(925) 855-
Landline
Danville
Pacific Bell
Introduced 05/18/1998
(925) 856-
Landline
Danville
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 858-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 02/27/1999
(925) 860-
Landline
Fremont
Xo California
Introduced 02/27/1999
(925) 862-
Landline
Sunol
Pacific Bell
Introduced 05/18/1998
(925) 864-
Wireless
Concord
Sprint Spectrum L.p.
Introduced 08/20/2000
(925) 866-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 867-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 871-
Landline
Oakland
Pac - West Telecomm
Introduced 11/20/1998
(925) 872-
Wireless
Pleasanton
Cellco Partnership DBA Verizon Wireless
Introduced 02/27/1999
(925) 875-
Landline
San Ramon
Pacific Bell
Introduced 05/10/1999
(925) 876-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 11/20/1998
(925) 878-
Wireless
Lafayette
Sprint Spectrum L.p.
Introduced 08/20/2000
(925) 884-
Landline
San Ramon
Pac - West Telecomm
Introduced 05/10/1999
(925) 885-
Landline
Oakland
Pac - West Telecomm
Introduced 05/10/1999
(925) 886-
Landline
Danville
Pac - West Telecomm
Introduced 05/10/1999
(925) 887-
Landline
Concord
Pac - West Telecomm
Introduced 05/10/1999
(925) 888-
Landline
Oakland
Pac - West Telecomm
Introduced 05/10/1999
(925) 889-
Landline
Clayton
Pac - West Telecomm
Introduced 05/10/1999
(925) 890-
Wireless
Concord
New Cingular Wireless PCS
Introduced 11/20/1998
(925) 891-
Landline
Oakland
Pac - West Telecomm
Introduced 05/10/1999
(925) 892-
Landline
Pleasanton
Pac - West Telecomm
Introduced 05/10/1999
(925) 895-
Wireless
San Ramon
Sprint Spectrum L.p.
Introduced 08/20/2000
(925) 899-
Wireless
Walnut Creek
New Cingular Wireless PCS
Introduced 05/10/1999
(925) 900-
Landline
Lafayette
O1 Communications
Introduced 05/10/1999
(925) 901-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 904-
Landline
San Ramon
Pacific Bell
Introduced 05/18/1998
(925) 905-
Landline
San Ramon
Pac - West Telecomm
Introduced 05/10/1999
(925) 906-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 913-
Wireless
San Ramon
T-mobile Usa
Introduced 09/20/2002
(925) 914-
Wireless
Clayton
T-mobile Usa
Introduced 09/20/2002
(925) 915-
Wireless
Danville
T-mobile Usa
Introduced 09/20/2002
(925) 917-
Wireless
Martinez
T-mobile Usa
Introduced 09/20/2002
(925) 918-
Wireless
Pleasanton
Cellco Partnership DBA Verizon Wireless
Introduced 06/13/2000
(925) 920-
Wireless
Walnut Creek
Usa Mobility Wireless
Introduced 08/14/1998
(925) 922-
Wireless
Pleasanton
T-mobile Usa
Introduced 09/20/2002
(925) 924-
Wireless
Pleasanton
Pacific Bell
Introduced 05/10/1999
(925) 926-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 927-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 930-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 931-
Landline
Pleasanton
Pacific Bell
Introduced 05/10/1999
(925) 932-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 933-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 934-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 935-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 937-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 938-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 939-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 940-
Landline
Oakland
Pac - West Telecomm
Introduced 05/18/1998
(925) 941-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 942-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 943-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 944-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 945-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 946-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 947-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 948-
Landline
Walnut Creek
Mci Worldcom Communications, CA
Introduced 05/18/1998
(925) 949-
Landline
Walnut Creek
Teleport Communications Group - San Francisco
Introduced 05/18/1998
(925) 951-
Landline
Walnut Creek
Mcimetro Access Transmission Services LLC
Introduced 05/18/1998
(925) 952-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 953-
Landline
Walnut Creek
Tw Telecom Of California Lp
Introduced 05/18/1998
(925) 954-
Landline
Oakland
Mpower Communications Corp
Introduced 05/18/1998
(925) 955-
Landline
Oakland
Pac - West Telecomm
Introduced 05/18/1998
(925) 956-
Landline
Walnut Creek
Xo California
Introduced 11/20/1998
(925) 957-
Landline
Martinez
Pacific Bell
Introduced 05/10/1999
(925) 960-
Landline
Livermore
Pacific Bell
Introduced 05/10/1999
(925) 961-
Landline
Livermore
Pacific Bell
Introduced 05/10/1999
(925) 962-
Landline
Lafayette
Pacific Bell
Introduced 05/10/1999
(925) 963-
Wireless
Pleasanton
New Cingular Wireless PCS
Introduced 11/20/1998
(925) 964-
Landline
Danville
Pacific Bell
Introduced 05/10/1999
(925) 965-
Landline
Pleasanton
AT&T Local
Introduced 02/27/1999
(925) 967-
Landline
San Ramon
Pacific Bell
Introduced 05/10/1999
(925) 968-
Landline
Danville
Pacific Bell
Introduced 05/10/1999
(925) 969-
Landline
Concord
Pacific Bell
Introduced 05/10/1999
(925) 973-
Landline
San Ramon
Pacific Bell
Introduced 05/10/1999
(925) 974-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 975-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 977-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 978-
Landline
Antioch
Pacific Bell
Introduced 05/10/1999
(925) 979-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/10/1999
(925) 980-
Wireless
Livermore
New Cingular Wireless PCS
Introduced 05/10/1999
(925) 983-
Landline
Hayward
Mci Worldcom Communications, CA
Introduced 05/18/1998
(925) 984-
Wireless
Danville
Sprint Spectrum L.p.
Introduced 08/20/2000
(925) 988-
Wireless
Walnut Creek
Pacific Bell
Introduced 05/18/1998
(925) 989-
Wireless
Pleasanton
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/1999
(925) 990-
Wireless
Sunol
The Telephone Connection Local Services
Introduced 10/31/2000
(925) 993-
Landline
Clayton
O1 Communications
Introduced 03/26/2001
(925) 997-
Wireless
San Ramon
New Cingular Wireless PCS
Introduced 05/10/1999
(925) 998-
Wireless
Pleasanton
New Cingular Wireless PCS
Introduced 11/20/1998
(925) 999-
Landline
San Ramon
O1 Communications
Introduced 05/10/1999

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com

Most Searched Numbers

Cell
All Time
925-200-0000
925-200-0001
925-200-0042
925-200-0058
925-200-0071
925-200-0072
925-200-0077
925-200-0086
925-200-0090
925-200-0104
925-200-0122
925-200-0175
925-200-0184
925-200-0191
925-200-0211
925-200-0214
925-200-0220
925-200-0233
925-200-0269
925-200-0274
This Month
925-200-0000
925-200-0001
925-200-0042
925-200-0058
925-200-0071
925-200-0072
925-200-0077
925-200-0086
925-200-0090
925-200-0104
925-200-0122
925-200-0175
925-200-0184
925-200-0191
925-200-0211
925-200-0214
925-200-0220
925-200-0233
925-200-0269
925-200-0274
Landline
All Time
925-201-0000
925-201-0027
925-201-0496
925-201-0909
925-201-1051
925-201-1102
925-201-1171
925-201-1571
925-201-1970
925-201-2000
925-201-2003
925-201-2004
925-201-2005
925-201-2009
925-201-2012
925-201-2022
925-201-2024
925-201-2044
925-201-2063
925-201-2065
This Month
925-201-0000
925-201-0027
925-201-0496
925-201-0909
925-201-1051
925-201-1102
925-201-1171
925-201-1571
925-201-1970
925-201-2000
925-201-2003
925-201-2004
925-201-2005
925-201-2009
925-201-2012
925-201-2022
925-201-2024
925-201-2044
925-201-2063
925-201-2065


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