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925 Area Code 🌍☎️

Area Code Profile · California

The 925 area code is located in the state of California and covers 41 cities, serving a total population of approximately 989,075. Major cities covered by the 925 area code include Concord, Antioch, Livermore, San Ramon, Pleasanton (which represents the most populated areas). There are a total of 624 telephone prefix exchanges in this area code, which support an estimated 6,240,000 active or assignable phone numbers. These prefix lines are operated by 33 distinct carriers, with Concord as the primary rate center location.

Pacific Time41 Cities624 Prefixes

Reverse Phone Lookup in Concord, California

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (925).

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1

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Provide any 10-digit phone number starting with the (925) area code.

2

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Our system scans public registries, carrier mappings, and spam reports.

3

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Access location details, line type, carrier, owner information, and safety levels.

Neighborhood Demographics

Calculated demographics and census summary estimations for area code 925.

37.3 y/oMedian Age
$54,800Median Income
$273,000Median Home Value
989,075Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 925.

Did you receive an unwanted call from a (925) phone number?

Help the community identify spammers by filing a comment.

(925) 880-3386May 20, 2026Telemarketer
Offered an unsolicited quote for local roofing and home energy services. They knew my area code but when I asked how they got my number, they hung up immediately.
See Details
(925) 893-3403May 19, 2026Debt Collector
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
See Details
(925) 506-3420May 18, 2026Political
Pre-recorded campaign call promoting a local candidate. Did not respect my request to be placed on the Do Not Call list.
See Details
(925) 519-3437May 17, 2026Scam / Fraud
Received a text and follow-up call saying my bank account was locked due to suspicious transactions. Included a link to a fake login portal. Do not click!
See Details

Cities in the 925 Area Code

The most populous cities in area code 925 are: Concord (122,067), Antioch (102,372), Livermore (80,968), San Ramon (72,148), and Pleasanton (70,285).

Other cities in the 925 area code include:

Walnut Creek, Pittsburg, Brentwood, Dublin, Danville, Martinez, Oakley, Pleasant Hill, Lafayette, Bay Point, Orinda, Moraga, Alamo, Discovery Bay, Clayton, Blackhawk, Contra Costa Centre, Saranap, Vine Hill, Pacheco, San Miguel, Reliez Valley, Mountain View, Camino Tassajara, Bethel Island.

CityPopulation% in Area Code
Concord122,067100%
Antioch102,372100%
Livermore80,968100%
San Ramon72,148100%
Pleasanton70,285100%
Walnut Creek64,173100%
Pittsburg63,264100%
Brentwood51,481100%
Dublin46,036100%
Danville42,039100%
Martinez35,824100%
Oakley35,432100%
Pleasant Hill33,152100%
Lafayette23,893100%
Bay Point21,349100%
Orinda17,643100%
Moraga16,016100%
Alamo14,570100%
Discovery Bay13,35297%
Clayton10,897100%

Showing top 20 of 41 cities.

What Time Zone is Area Code 925?

Pacific Time Zone

Abbreviation: PT · UTC Offset: UTC-8

The 925 area code lies within the Pacific Time Zone (PT, UTC-8).

Nearby Area Codes

209Stockton, California213Los Angeles, California279Sacramento, California310Los Angeles, California323Los Angeles, California341Oakland, California350Stockton, California369Santa Rosa, California408San Jose, California415San Francisco, California

Phone Prefixes in the 925 Area Code

624 prefixes found · 33 carriers · 17 rate centers

PrefixCarrierRate Center
(925) 200CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAPLEASANTON
(925) 201U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSPLEASANTON
(925) 202T-MOBILE USA, INC.PLEASANTON
(925) 203NEW CINGULAR WIRELESS PCS, LLCPITTSBURG
(925) 204T-MOBILE USA, INC.ANTIOCH
(925) 205T-MOBILE USA, INC.DANVILLE
(925) 206CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAANTIOCH
(925) 207METROPCS, INC.CONCORD
(925) 208TELEPORT COMMUNICATIONS AMERICA, LLC - CADANVILLE
(925) 209T-MOBILE USA, INC.PLEASANTON
(925) 210PACIFIC BELLWALNUT CRK
(925) 212NEW CINGULAR WIRELESS PCS, LLCWALNUT CRK
(925) 213USA MOBILITY WIRELESS, INC.WALNUT CRK
(925) 214PEERLESS NETWORK OF CALIFORNIA, LLC - CAWALNUT CRK
(925) 215LEVEL 3 COMMUNICATIONS, LLC - CALIVERMORE
(925) 216NEW CINGULAR WIRELESS PCS, LLCDUBLN-SNRM
(925) 217LEVEL 3 COMMUNICATIONS, LLC - CADANVILLE
(925) 218LEVEL 3 COMMUNICATIONS, LLC - CAPLEASANTON
(925) 219LEVEL 3 COMMUNICATIONS, LLC - CAANTIOCH
(925) 220CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAPITTSBURG
(925) 22133 WIRELESS INC.WALNUT CRK
(925) 222ONVOY, LLC - CACONCORD
(925) 223MCIMETRO ACCESS TRANSMISSION SERVICES LLCPLEASANTON
(925) 224PACIFIC BELLPLEASANTON
(925) 225PACIFIC BELLPLEASANTON
(925) 226MCIMETRO ACCESS TRANSMISSION SERVICES LLCPLEASANTON
(925) 227PACIFIC BELLPLEASANTON
(925) 228PACIFIC BELLMARTINEZ
(925) 229PACIFIC BELLMARTINEZ
(925) 230LEVEL 3 COMMUNICATIONS, LLC - CADUBLN-SNRM
(925) 231LEVEL 3 COMMUNICATIONS, LLC - CAMARTINEZ
(925) 232LEVEL 3 COMMUNICATIONS, LLC - CAPSBG WEST
(925) 233LEVEL 3 COMMUNICATIONS, LLC - CASUNOL
(925) 234LEVEL 3 COMMUNICATIONS, LLC - CAANTIOCH
(925) 235LEVEL 3 COMMUNICATIONS, LLC - CAMORAGA
(925) 236LEVEL 3 COMMUNICATIONS, LLC - CADUBLN-SNRM
(925) 237MCIMETRO ACCESS TRANSMISSION SERVICES LLCANTIOCH
(925) 238COMCAST IP PHONE, LLCANTIOCH
(925) 239PEERLESS NETWORK OF CALIFORNIA, LLC - CAWALNUT CRK
(925) 240PACIFIC BELLECONTRCOST
(925) 241MCIMETRO ACCESS TRANSMISSION SERVICES LLCDUBLN-SNRM
(925) 242PACIFIC BELLBSHP RNCH
(925) 243PACIFIC BELLLIVERMORE
(925) 244PACIFIC BELLBSHP RNCH
(925) 245PACIFIC BELLLIVERMORE
(925) 246PACIFIC BELLCONCORD
(925) 247PACIFIC BELLMORAGA
(925) 248PACIFIC BELLDUBLN-SNRM
(925) 249PACIFIC BELLPLEASANTON
(925) 250METROPCS, INC.CONCORD
(925) 251PACIFIC BELLPLEASANTON
(925) 252PACIFIC BELLPITTSBURG
(925) 253PACIFIC BELLORINDA
(925) 254PACIFIC BELLORINDA
(925) 255MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CAORINDA
(925) 256PACIFIC BELLWALNUT CRK
(925) 257MCIMETRO ACCESS TRANSMISSION SERVICES LLCORINDA
(925) 258PACIFIC BELLORINDA
(925) 259MCIMETRO ACCESS TRANSMISSION SERVICES LLCORINDA
(925) 260METROPCS, INC.WALNUT CRK
(925) 261PACIFIC BELLPSBG WEST
(925) 262GLOBAL CROSSING LOCAL SERVICES, INC. - CAWALNUT CRK
(925) 263GLOBAL CROSSING LOCAL SERVICES, INC. - CADANVILLE
(925) 264GLOBAL CROSSING LOCAL SERVICES, INC. - CAPLEASANTON
(925) 265GLOBAL CROSSING LOCAL SERVICES, INC. - CACONCORD
(925) 266CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAWALNUT CRK
(925) 267MCIMETRO ACCESS TRANSMISSION SERVICES LLCPITTSBURG
(925) 268MCIMETRO ACCESS TRANSMISSION SERVICES LLCMORAGA
(925) 269MCIMETRO ACCESS TRANSMISSION SERVICES LLCMARTINEZ
(925) 270LEVEL 3 COMMUNICATIONS, LLC - CACONCORD
(925) 271TELEPORT COMMUNICATIONS AMERICA, LLC - CAPLEASANTON
(925) 272LEVEL 3 COMMUNICATIONS, LLC - CADANVILLE
(925) 273MCIMETRO ACCESS TRANSMISSION SERVICES LLCLIVERMORE
(925) 274PACIFIC BELLWALNUT CRK
(925) 275PACIFIC BELLBSHP RNCH
(925) 276MCIMETRO ACCESS TRANSMISSION SERVICES LLCCLAYTON
(925) 277PACIFIC BELLBSHP RNCH
(925) 278COMCAST IP PHONE, LLCWALNUT CRK
(925) 279PACIFIC BELLWALNUT CRK
(925) 280PACIFIC BELLWALNUT CRK
(925) 281ONVOY, LLC - CAANTIOCH
(925) 282MCIMETRO ACCESS TRANSMISSION SERVICES LLCLAFAYETTE
(925) 283PACIFIC BELLLAFAYETTE
(925) 284PACIFIC BELLLAFAYETTE
(925) 285NEW CINGULAR WIRELESS PCS, LLCWALNUT CRK
(925) 286NEW CINGULAR WIRELESS PCS, LLCWALNUT CRK
(925) 287PACIFIC BELLWALNUT CRK
(925) 288PACIFIC BELLCONCORD
(925) 289YMAX COMMUNICATIONS CORP. - CAWALNUT CRK
(925) 290XO CALIFORNIA, INC.LIVERMORE
(925) 291MCIMETRO ACCESS TRANSMISSION SERVICES LLCPSBG WEST
(925) 292COMCAST IP PHONE, LLCLIVERMORE
(925) 293MATRIX TELECOM, LLC. S/I/I TNCI - CAMARTINEZ
(925) 294PACIFIC BELLLIVERMORE
(925) 295PACIFIC BELLWALNUT CRK
(925) 296PACIFIC BELLWALNUT CRK
(925) 297MCIMETRO ACCESS TRANSMISSION SERVICES LLCLAFAYETTE
(925) 298MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CALAFAYETTE
(925) 299PACIFIC BELLLAFAYETTE
(925) 300T-MOBILE USA, INC.WALNUT CRK

Showing first 100 of 624 prefixes.

Frequently Asked Questions

Where is area code 925?
Area code 925 is located in California, covering cities including Concord, Antioch, Livermore.
What time zone is area code 925?
Area code 925 is in the Pacific Time Zone (PT, UTC-8).
What state is area code 925?
Area code 925 is in California.