National Phone Number Registry NPNR

(925)
Enter 7-digit phone number for area code 925 or the complete 10-digit phone number

Phone Prefixes for Area Code 925

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Area code Location Company / Service Provider
925-301 ANTIOCH, CA O1 COMMUNICATIONS, INC. - CA
925-302 Bishop's Ranch, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-303 ANTIOCH, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-304 CLAYTON, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-305 CONCORD, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-306 ECONTRCOST, CA SONIC TELECOM, LLC - CA
925-307 Dublin / San Ramon, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-308 ECONTRCOST, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-309 DANVILLE, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-310 LAFAYETTE, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-312 ANTIOCH, CA USA MOBILITY WIRELESS, INC.
925-313 MARTINEZ, CA PACIFIC BELL
925-314 DANVILLE, CA PACIFIC BELL
925-315 LIVERMORE, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-316 MARTINEZ, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-317 ORINDA, CA O1 COMMUNICATIONS, INC. - CA
925-318 PITTSBURG, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-319 SUNOL, CA T-MOBILE USA, INC.
925-320 MORAGA, CA U.S. TELEPACIFIC CORP. - CA
925-321 LIVERMORE, CA NEW CINGULAR WIRELESS PCS, LLC
925-322 Walnut Creek, CA BANDWIDTH.COM CLEC, LLC - CA
925-323 Walnut Creek, CA NEW CINGULAR WIRELESS PCS, LLC
925-324 Walnut Creek, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-325 ANTIOCH, CA T-MOBILE USA, INC.
925-326 CONCORD, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-327 Bishop's Ranch, CA PACIFIC BELL
925-328 Bishop's Ranch, CA PACIFIC BELL
925-329 ANTIOCH, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-330 Walnut Creek, CA NEW CINGULAR WIRELESS PCS, LLC
925-331 ANTIOCH, CA U.S. TELEPACIFIC CORP. - CA
925-332 CONCORD, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
925-333 Walnut Creek, CA AMERICAN MESSAGING SERVICES, LLC
925-334 CONCORD, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-335 MARTINEZ, CA PACIFIC BELL
925-336 Dublin / San Ramon, CA NEW CINGULAR WIRELESS PCS, LLC
925-337 LIVERMORE, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-338 CONCORD, CA BANDWIDTH.COM CLEC, LLC - CA
925-339 LIVERMORE, CA METRO PCS, INC.
925-340 Walnut Creek, CA USA MOBILITY WIRELESS, INC.
925-341 ANTIOCH, CA AMERICAN MESSAGING SERVICES, LLC
925-342 ANTIOCH, CA AMERICAN MESSAGING SERVICES, LLC
925-343 PLEASANTON, CA AMERICAN MESSAGING SERVICES, LLC
925-344 LIVERMORE, CA MPOWER COMMUNICATIONS CORP - CA
925-345 DANVILLE, CA AMERICAN MESSAGING SERVICES, LLC
925-346 CONCORD, CA AMERICAN MESSAGING SERVICES, LLC
925-347 LIVERMORE, CA AMERICAN MESSAGING SERVICES, LLC
925-348 CONCORD, CA NEW CINGULAR WIRELESS PCS, LLC
925-349 CONCORD, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
925-350 ANTIOCH, CA COMCAST PHONE OF CALIFORNIA, LLC - CA
925-351 PLEASANTON, CA SPRINT SPECTRUM L.P.
925 Area Code Information
Type of code: General Purpose Code
Location: CA - US
Time zone: P
Assigned for use: Yes
Code in service: Yes
Service date: March 14, 1998
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 080 061
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D 1+10D
Foreign local calls: 1+10D NA
Home toll calls: 7D 1+10D
Foreign toll calls: 1+10D -
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