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
925-200 PLEASANTON, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-201 PLEASANTON, CA MPOWER COMMUNICATIONS CORP - CA
925-202 PLEASANTON, CA SPRINT SPECTRUM L.P.
925-203 PITTSBURG, CA NEW CINGULAR WIRELESS PCS, LLC
925-204 ANTIOCH, CA T-MOBILE USA, INC.
925-205 ANTIOCH, CA AMERICAN MESSAGING SERVICES, LLC
925-206 ANTIOCH, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
925-207 CONCORD, CA SPRINT SPECTRUM L.P.
925-208 DANVILLE, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
925-209 PLEASANTON, CA SPRINT SPECTRUM L.P.
925-210 Walnut Creek, CA PACIFIC BELL
925-212 Walnut Creek, CA NEW CINGULAR WIRELESS PCS, LLC
925-213 Walnut Creek, CA USA MOBILITY WIRELESS, INC.
925-214 Walnut Creek, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
925-215 LIVERMORE, CA BROADWING COMMUNICATIONS, LLC - CA
925-216 Dublin / San Ramon, CA NEW CINGULAR WIRELESS PCS, LLC
925-217 DANVILLE, CA BROADWING COMMUNICATIONS, LLC - CA
925-218 PLEASANTON, CA BROADWING COMMUNICATIONS, LLC - CA
925-219 ANTIOCH, CA BROADWING COMMUNICATIONS, LLC - CA
925-220 Walnut Creek, CA AMERICAN MESSAGING SERVICES, LLC
925-221 Walnut Creek, CA 33 WIRELESS INC.
925-222 CONCORD, CA CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
925-223 PLEASANTON, CA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
925-224 PLEASANTON, CA PACIFIC BELL
925-225 PLEASANTON, CA PACIFIC BELL
925-226 PLEASANTON, CA XO CALIFORNIA, INC.
925-227 PLEASANTON, CA PACIFIC BELL
925-228 MARTINEZ, CA PACIFIC BELL
925-229 MARTINEZ, CA PACIFIC BELL
925-230 Dublin / San Ramon, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-231 MARTINEZ, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-232 Pittsburg, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-233 SUNOL, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-234 ANTIOCH, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-235 MORAGA, CA LEVEL 3 COMMUNICATIONS, LLC - CA
925-236 Dublin / San Ramon, CA BROADWING COMMUNICATIONS, LLC - CA
925-237 ANTIOCH, CA XO CALIFORNIA, INC.
925-238 ANTIOCH, CA COMCAST PHONE OF CALIFORNIA, LLC - CA
925-239 Walnut Creek, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
925-240 ECONTRCOST, CA PACIFIC BELL
925-241 Dublin / San Ramon, CA MCIMETRO ACCESS TRANSMISSION SERVICES LLC
925-242 Bishop's Ranch, CA PACIFIC BELL
925-243 LIVERMORE, CA PACIFIC BELL
925-244 Bishop's Ranch, CA PACIFIC BELL
925-245 LIVERMORE, CA PACIFIC BELL
925-246 CONCORD, CA PACIFIC BELL
925-247 MORAGA, CA PACIFIC BELL
925-248 Dublin / San Ramon, CA PACIFIC BELL
925-249 PLEASANTON, CA PACIFIC BELL
925-250 CONCORD, CA SPRINT SPECTRUM L.P.
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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