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
925-889 CLAYTON, CA TNCI-OP-CO - CA
925-890 CONCORD, CA NEW CINGULAR WIRELESS PCS, LLC
925-891 Walnut Creek, CA TNCI-OP-CO - CA
925-892 PLEASANTON, CA TNCI-OP-CO - CA
925-895 Dublin / San Ramon, CA SPRINT SPECTRUM L.P.
925-899 Walnut Creek, CA NEW CINGULAR WIRELESS PCS, LLC
925-900 LAFAYETTE, CA O1 COMMUNICATIONS, INC. - CA
925-901 Bishop's Ranch, CA PACIFIC BELL
925-904 Bishop's Ranch, CA PACIFIC BELL
925-905 Dublin / San Ramon, CA TNCI-OP-CO - CA
925-906 Walnut Creek, CA PACIFIC BELL
925-913 Bishop's Ranch, CA T-MOBILE USA, INC.
925-914 CLAYTON, CA T-MOBILE USA, INC.
925-915 DANVILLE, CA T-MOBILE USA, INC.
925-917 MARTINEZ, CA T-MOBILE USA, INC.
925-918 PLEASANTON, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-920 Walnut Creek, CA USA MOBILITY WIRELESS, INC.
925-922 PLEASANTON, CA T-MOBILE USA, INC.
925-924 PLEASANTON, CA PACIFIC BELL
925-926 Walnut Creek, CA PACIFIC BELL
925-927 Walnut Creek, CA PACIFIC BELL
925-930 Walnut Creek, CA PACIFIC BELL
925-931 PLEASANTON, CA PACIFIC BELL
925-932 Walnut Creek, CA PACIFIC BELL
925-933 Walnut Creek, CA PACIFIC BELL
925-934 Walnut Creek, CA PACIFIC BELL
925-935 Walnut Creek, CA PACIFIC BELL
925-937 Walnut Creek, CA PACIFIC BELL
925-938 Walnut Creek, CA PACIFIC BELL
925-939 Walnut Creek, CA PACIFIC BELL
925-940 Walnut Creek, CA TNCI-OP-CO - CA
925-941 Walnut Creek, CA PACIFIC BELL
925-942 Walnut Creek, CA PACIFIC BELL
925-943 Walnut Creek, CA PACIFIC BELL
925-944 Walnut Creek, CA PACIFIC BELL
925-945 Walnut Creek, CA PACIFIC BELL
925-946 Walnut Creek, CA PACIFIC BELL
925-947 Walnut Creek, CA PACIFIC BELL
925-948 Walnut Creek, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
925-949 Walnut Creek, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
925-951 Walnut Creek, CA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
925-952 Walnut Creek, CA PACIFIC BELL
925-953 Walnut Creek, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
925-954 Walnut Creek, CA MPOWER COMMUNICATIONS CORP - CA
925-955 Walnut Creek, CA TNCI-OP-CO - CA
925-956 Walnut Creek, CA XO CALIFORNIA, INC.
925-957 MARTINEZ, CA PACIFIC BELL
925-960 LIVERMORE, CA PACIFIC BELL
925-961 LIVERMORE, CA PACIFIC BELL
925-962 LAFAYETTE, CA PACIFIC BELL
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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