Area Code — 925

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Phone numbers in area code 925 cover the cities of Barrington, Brentwood, Los Angeles, Byron, Discovery Bay, Blackhawk, Danville, Alamo, Antioch, Bethel Island, Canyon, Clayton, Concord, Clyde, Pleasant Hill, Diablo, Chevron, Chevron Usa Inc, Knightsen, Lafayette, Livermore, Briones, Martinez, Pacheco, Moraga, Oakley, Orinda, Bay Point, Pittsburg, Port Chicago, West Pittsburg, Pleasanton, Dublin, San Ramon, Sunol, Walnut Creek in CA

The 925 area code covers the zip codes 90049, 94505, 94506, 94507, 94509, 94511, 94513, 94514, 94516, 94517, 94518, 94519, 94520, 94521, 94522, 94523, 94524, 94526, 94527, 94528, 94529, 94531, 94548, 94549, 94550, 94551, 94553, 94556, 94561, 94563, 94565, 94566, 94568, 94570, 94575, 94582, 94583, 94586, 94588, 94595, 94596, 94597, 94598 in CA

Rate centers: PLEASANTON, PITTSBURG, ANTIOCH, CONCORD, DANVILLE, WALNUT CRK, LIVERMORE, DUBLN-SNRM, MARTINEZ, PSBG WEST, SUNOL, MORAGA, ECONTRCOST, BSHP RNCH, ORINDA, CLAYTON, LAFAYETTE, OKLD0349T

Companies: CELLCO PARTNERSHIP DBA VERIZON WIRELESS, MPOWER COMMUNICATIONS CORP, MCI WORLDCOM COMMUNICATIONS, INC., CA, U.S. TELEPACIFIC CORP., SPRINT SPECTRUM L.P., LEVEL 3 COMMUNICATIONS, LLC, NEW CINGULAR WIRELESS PCS, LLC, XO CALIFORNIA, INC., AMERICAN MESSAGING SERVICES, LLC, T-MOBILE USA, INC., METRO PCS, INC., COMCAST PHONE OF CALIFORNIA, LLC , TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO, PEERLESS NETWORK OF CALIFORNIA, LLC, PACIFIC CENTREX SERVICES, INC., CF COMMUNICATIONS, LLC DBA TELEKENEX, PACIFIC BELL, USA MOBILITY WIRELESS, INC., BROADWING COMMUNICATIONS, LLC, 360NETWORKS (USA) INC., 33 WIRELESS INC., CBEYOND COMMUNICATIONS, LLC, BANDWIDTH.COM CLEC, LLC, PAETEC COMMUNICATIONS, INC., MCIMETRO ACCESS TRANSMISSION SERVICES LLC, SBC INTERNET SERVICES, INC., O1 COMMUNICATIONS, INC., AT&T LOCAL, PAC - WEST TELECOMM, INC., NEXTEL COMMUNICATIONS, INC., CREATIVE INTERCONNECT COMMUNICATIONS, LLC, UTILITY TELEPHONE, INC., GLOBAL CROSSING LOCAL SERVICES, INC., YMAX COMMUNICATIONS CORP., ASTOUND BROADBAND, LLC, TW TELECOM OF CALIFORNIA LP, COOK TELECOM, INC., AMERICAN MESSAGING (AM), INC., ALLEGIANCE TELECOM, INC., THE TELEPHONE CONNECTION LOCAL SERVICES, LLC, NORTH COUNTY COMMUNICATIONS CORP.

List of 925 Area-Code Phone Number Prefixes

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