National Phone Number Registry NPNR

Area Code 925 Location

Area code 925 is currently assigned for use in California since Mar 14, 1998. This area code originated from the 510 area code previously by means of area code split or overlay. View all phone prefixes used in area code 925 or other area codes in California.

(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
925-723 MARTINEZ, CA MPOWER COMMUNICATIONS CORP - CA
925-724 LIVERMORE, CA MPOWER COMMUNICATIONS CORP - CA
925-725 DANVILLE, CA MPOWER COMMUNICATIONS CORP - CA
925-726 CONCORD, CA MPOWER COMMUNICATIONS CORP - CA
925-727 ANTIOCH, CA MPOWER COMMUNICATIONS CORP - CA
925-730 PLEASANTON, CA PACIFIC BELL
925-732 ANTIOCH, CA CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
925-734 PLEASANTON, CA PACIFIC BELL
925-735 Bishop's Ranch, CA PACIFIC BELL
925-736 DANVILLE, CA PACIFIC BELL
925-737 PLEASANTON, CA PACIFIC BELL
925-738 PLEASANTON, CA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
925-742 LIVERMORE, CA AMERICAN MESSAGING SERVICES, LLC
925-743 DANVILLE, CA PACIFIC BELL
925-746 Walnut Creek, CA PACIFIC BELL
925-750 PLEASANTON, CA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
925-752 ANTIOCH, CA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
925-753 ANTIOCH, CA PACIFIC BELL
925-754 ANTIOCH, CA PACIFIC BELL
925-755 ANTIOCH, CA PACIFIC BELL
925-756 ANTIOCH, CA PACIFIC BELL
925-757 ANTIOCH, CA PACIFIC BELL
925-759 ANTIOCH, CA NEW CINGULAR WIRELESS PCS, LLC
925-762 Bishop's Ranch, CA PACIFIC BELL
925-765 Walnut Creek, CA SPRINT SPECTRUM L.P.
925-766 Walnut Creek, CA SPRINT SPECTRUM L.P.
925-768 CONCORD, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-771 CONCORD, CA U.S. TELEPACIFIC CORP. - CA
925-775 ANTIOCH, CA TNCI-OP-CO - CA
925-776 ANTIOCH, CA PACIFIC BELL
925-777 ANTIOCH, CA PACIFIC BELL
925-778 ANTIOCH, CA PACIFIC BELL
925-779 ANTIOCH, CA PACIFIC BELL
925-783 ANTIOCH, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-784 LIVERMORE, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-785 Dublin / San Ramon, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-786 Bishop's Ranch, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-787 CONCORD, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-788 Walnut Creek, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-789 SUNOL, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-790 Bishop's Ranch, CA PACIFIC BELL
925-791 DANVILLE, CA U.S. TELEPACIFIC CORP. - CA
925-794 MORAGA, CA O1 COMMUNICATIONS, INC. - CA
925-798 CONCORD, CA PACIFIC BELL
925-800 LIVERMORE, CA O1 COMMUNICATIONS, INC. - CA
925-803 Dublin / San Ramon, CA PACIFIC BELL
925-804 Bishop's Ranch, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
925-806 Bishop's Ranch, CA PACIFIC BELL
925-807 Bishop's Ranch, CA XO CALIFORNIA, INC.
925-808 CONCORD, CA PACIFIC BELL
New numbers being added to 925 area code
Effective: 05/19/2017
925-503 in ANTIOCH, CA
T-MOBILE USA, INC.
Effective: 05/01/2017
925-532 in WALNUT CREEK, CA
TELNYX LLC
Effective: 05/01/2017
925-536 in CONCORD, CA
TELNYX LLC
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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