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Area Code 925

Browse available prefixes, locations, carriers, and quick path links into deeper phone number pages for this area code. Area-code research is one of the most important parts of reverse phone lookup because it gives visitors a geographic starting point before they inspect a full number.

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200Prefixes Listed
CaliforniaLocation
United StatesCountry
925Area Code
Area Code Overview
Area Code925
Primary LocationCalifornia
CountryUnited States
Prefix Coverage200 listed prefixes
Prefixes in 925
925-200
Pleasanton
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
925-201
San Jose
Mpower Communications Corp - Ca
Landline
925-202
Oakland
Sprint Spectrum L.p.
Wireless
925-203
Concord
New Cingular Wireless Pcs Llc
Wireless
925-205
Oakland
American Messaging Services Llc
Landline
925-206
Pleasanton
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
925-207
Santa Rosa
Sprint Spectrum L.p.
Wireless
925-208
Oakland
Teleport Communications Group - San Francisco
Landline
925-209
Oakland
Sprint Spectrum L.p.
Wireless
925-210
Walnut Creek
Pacific Bell
Landline
925-212
Concord
New Cingular Wireless Pcs Llc
Wireless
925-213
Livermore
Usa Mobility Wireless Inc.
Wireless
925-215
San Francisco
Broadwing Communications Llc - Ca
Landline
925-216
Concord
New Cingular Wireless Pcs Llc
Wireless
925-217
San Francisco
Broadwing Communications Llc - Ca
Landline
925-218
San Francisco
Broadwing Communications Llc - Ca
Landline
925-219
San Francisco
Broadwing Communications Llc - Ca
Landline
925-220
Oakland
American Messaging Services Llc
Landline
925-221
Oakland
33 Wireless Inc.
Wireless
925-222
San Francisco
Cf Communications Llc Dba Telekenex - Ca
Landline
925-223
San Francisco
Mcimetro Access Transmission Services Llc
Landline
925-224
Pleasanton
Pacific Bell
Landline
925-225
Pleasanton
Pacific Bell
Landline
925-226
Fremont
Xo California Inc.
Landline
925-227
Pleasanton
Pacific Bell
Landline
925-228
Martinez
Pacific Bell
Landline
925-229
Martinez
Pacific Bell
Landline
925-230
San Francisco
Level 3 Communications Llc - Ca
Landline
925-231
San Francisco
Level 3 Communications Llc - Ca
Landline
925-232
San Francisco
Level 3 Communications Llc - Ca
Landline
925-233
San Francisco
Level 3 Communications Llc - Ca
Landline
925-234
Concord
Level 3 Communications Llc - Ca
Landline
925-235
San Francisco
Level 3 Communications Llc - Ca
Landline
925-236
San Jose
Broadwing Communications Llc - Ca
Landline
925-237
Fremont
Xo California Inc.
Landline
925-238
Oakland
Comcast Phone Of California Llc - Ca
Landline
925-239
San Francisco
Peerless Network Of California Llc - Ca
Landline
925-240
Brentwood
Pacific Bell
Landline
925-241
San Francisco
Mcimetro Access Transmission Services Llc
Landline
925-242
San Ramon
Pacific Bell
Landline
925-243
Livermore
Pacific Bell
Landline
925-244
San Ramon
Pacific Bell
Landline
925-245
Livermore
Pacific Bell
Landline
925-246
Concord
Pacific Bell
Landline
925-247
Moraga
Pacific Bell
Landline
925-248
Danville
Pacific Bell
Landline
925-249
Pleasanton
Pacific Bell
Landline
925-250
Dublin
Sprint Spectrum L.p.
Wireless
925-251
Pleasanton
Pacific Bell
Landline
925-252
Pittsburg
Pacific Bell
Landline
925-253
Orinda
Pacific Bell
Landline
925-254
Orinda
Pacific Bell
Landline
925-255
Hayward
Mci Worldcom Communications Inc. Ca
Landline
925-256
Walnut Creek
Pacific Bell
Landline
925-257
San Francisco
Mcimetro Access Transmission Services Llc
Landline
925-258
Orinda
Pacific Bell
Landline
925-259
Fremont
Xo California Inc.
Landline
925-260
Dublin
Sprint Spectrum L.p.
Wireless
925-261
Pittsburg
Pacific Bell
Landline
925-262
Oakland
Global Crossing Local Services Inc.-ca
Landline
925-263
Oakland
Global Crossing Local Services Inc.-ca
Landline
925-264
Oakland
Global Crossing Local Services Inc.-ca
Landline
925-265
Oakland
Global Crossing Local Services Inc.-ca
Landline
925-267
Rohnert Park
Xo California Inc.
Landline
925-268
Fremont
Xo California Inc.
Landline
925-269
Fremont
Xo California Inc.
Landline
925-270
Pleasanton
Broadwing Communications Llc - Ca
Landline
925-271
San Francisco
Teleport Communications Group - San Francisco
Landline
925-272
San Francisco
Level 3 Communications Llc - Ca
Landline
925-273
Fremont
Xo California Inc.
Landline
925-274
Walnut Creek
Pacific Bell
Landline
925-275
San Ramon
Pacific Bell
Landline
925-276
Fremont
Xo California Inc.
Landline
925-277
San Ramon
Pacific Bell
Landline
925-279
Walnut Creek
Pacific Bell
Landline
925-280
Walnut Creek
Pacific Bell
Landline
925-281
Oakland
Pac - West Telecomm Inc.
Landline
925-282
San Francisco
Mcimetro Access Transmission Services Llc
Landline
925-283
Lafayette
Pacific Bell
Landline
925-284
Lafayette
Pacific Bell
Landline
925-285
Concord
New Cingular Wireless Pcs Llc
Wireless
925-286
Concord
New Cingular Wireless Pcs Llc
Wireless
925-287
Walnut Creek
Pacific Bell
Landline
925-288
Concord
Pacific Bell
Landline
925-289
San Francisco
Ymax Communications Corp. - Ca
Landline
925-290
Fremont
Xo California Inc.
Landline
925-291
Rohnert Park
Xo California Inc.
Landline
925-292
Rohnert Park
Comcast Phone Of California Llc - Ca
Landline
925-293
Oakland
Pac - West Telecomm Inc.
Landline
925-294
Livermore
Pacific Bell
Landline
925-295
Walnut Creek
Pacific Bell
Landline
925-296
Walnut Creek
Pacific Bell
Landline
925-297
Fremont
Xo California Inc.
Landline
925-298
Hayward
Mci Worldcom Communications Inc. Ca
Landline
925-299
Lafayette
Pacific Bell
Landline
925-300
San Francisco
O1 Communications Inc. - Ca
Landline
925-301
San Francisco
O1 Communications Inc. - Ca
Landline
925-302
Walnut Creek
Tw Telecom Of California Lp - Ca
Landline
925-303
Pleasanton
Tw Telecom Of California Lp - Ca
Landline
925-304
San Francisco
Level 3 Communications Llc - Ca
Landline
925-305
Santa Rosa
Tw Telecom Of California Lp - Ca
Landline
925-307
Walnut Creek
Tw Telecom Of California Lp - Ca
Landline
925-308
Walnut Creek
Tw Telecom Of California Lp - Ca
Landline
925-309
Walnut Creek
Tw Telecom Of California Lp - Ca
Landline
925-310
San Francisco
Tw Telecom Of California Lp - Ca
Landline
925-312
Livermore
Usa Mobility Wireless Inc.
Wireless
925-313
Martinez
Pacific Bell
Landline
925-314
Danville
Pacific Bell
Landline
925-315
San Francisco
Tw Telecom Of California Lp - Ca
Landline
925-316
San Francisco
Level 3 Communications Llc - Ca
Landline
925-317
San Francisco
O1 Communications Inc. - Ca
Landline
925-318
Walnut Creek
Tw Telecom Of California Lp - Ca
Landline
925-319
Oakland
T-mobile Usa Inc.
Wireless
925-320
Fremont
U.s. Telepacific Corp. - Ca
Landline
925-321
Concord
New Cingular Wireless Pcs Llc
Wireless
925-322
San Francisco
Bandwidth.com Clec Llc - Ca
Landline
925-323
Concord
New Cingular Wireless Pcs Llc
Wireless
925-324
Pleasanton
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
925-325
Oakland
T-mobile Usa Inc.
Wireless
925-326
Sunnyvale
Qwest Communications Company Llc
Landline
925-327
San Ramon
Pacific Bell
Landline
925-328
San Ramon
Pacific Bell
Landline
925-330
Concord
New Cingular Wireless Pcs Llc
Wireless
925-331
San Jose
U.s. Telepacific Corp. - Ca
Landline
925-332
San Jose
Peerless Network Of California Llc - Ca
Landline
925-333
Oakland
Cook Telecom Inc.
Landline
925-334
Pleasanton
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
925-335
Martinez
Pacific Bell
Landline
925-336
Concord
New Cingular Wireless Pcs Llc
Wireless
925-337
Pleasanton
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
925-338
San Francisco
Bandwidth.com Clec Llc - Ca
Landline
925-339
Oakland
Metro Pcs Inc.
Landline
925-340
Livermore
Usa Mobility Wireless Inc.
Wireless
925-341
Oakland
Cook Telecom Inc.
Landline
925-342
Oakland
American Messaging (am) Inc.
Landline
925-343
Oakland
American Messaging Services Llc
Landline
925-344
San Francisco
Mpower Communications Corp - Ca
Landline
925-345
Oakland
Cook Telecom Inc.
Landline
925-346
Oakland
Cook Telecom Inc.
Landline
925-347
Oakland
Cook Telecom Inc.
Landline
925-348
Concord
New Cingular Wireless Pcs Llc
Wireless
925-349
San Francisco
Teleport Communications Group - San Francisco
Landline
925-350
Rohnert Park
Comcast Phone Of California Llc - Ca
Landline
925-351
Oakland
Sprint Spectrum L.p.
Wireless
925-352
Oakland
Sprint Spectrum L.p.
Wireless
925-353
Concord
New Cingular Wireless Pcs Llc
Wireless
925-354
Concord
New Cingular Wireless Pcs Llc
Wireless
925-355
San Ramon
Pacific Bell
Landline
925-356
Concord
Pacific Bell
Landline
925-357
San Francisco
Level 3 Communications Llc - Ca
Landline
925-358
San Ramon
Pacific Bell
Landline
925-359
San Francisco
Mcimetro Access Transmission Services Llc
Landline
925-360
Concord
New Cingular Wireless Pcs Llc
Wireless
925-361
Oakland
Teleport Communications Group - San Francisco
Landline
925-362
Danville
Pacific Bell
Landline
925-363
Concord
Pacific Bell
Landline
925-364
Hayward
Mci Worldcom Communications Inc. Ca
Landline
925-365
San Francisco
Teleport Communications Group - San Francisco
Landline
925-366
Oakland
Sprint Spectrum L.p.
Wireless
925-367
Oakland
Sprint Spectrum L.p.
Wireless
925-368
Oakland
Sprint Spectrum L.p.
Wireless
925-369
Oakland
Pac - West Telecomm Inc.
Landline
925-370
Martinez
Pacific Bell
Landline
925-371
Livermore
Pacific Bell
Landline
925-372
Martinez
Pacific Bell
Landline
925-373
Livermore
Pacific Bell
Landline
925-374
San Francisco
Allegiance Telecom Inc. - Ca
Landline
925-376
Moraga
Pacific Bell
Landline
925-377
Moraga
Pacific Bell
Landline
925-380
San Jose
Level 3 Communications Llc - Ca
Landline
925-381
Concord
New Cingular Wireless Pcs Llc
Wireless
925-382
Dublin
Sprint Spectrum L.p.
Wireless
925-383
Dublin
Sprint Spectrum L.p.
Wireless
925-385
Oakland
Teleport Communications Group - San Francisco
Landline
925-386
Oakland
Teleport Communications Group - San Francisco
Landline
925-387
Oakland
Teleport Communications Group - San Francisco
Landline
925-388
Oakland
Teleport Communications Group - San Francisco
Landline
925-389
Concord
New Cingular Wireless Pcs Llc
Wireless
925-392
San Francisco
Teleport Communications Group - San Francisco
Landline
925-394
Oakland
Global Crossing Local Services Inc.-ca
Landline
925-395
Oakland
At&t Local
Landline
925-396
Oakland
Pac - West Telecomm Inc.
Landline
925-397
Oakland
Pac - West Telecomm Inc.
Landline
925-398
San Francisco
Teleport Communications Group - San Francisco
Landline
925-399
Rohnert Park
Comcast Phone Of California Llc - Ca
Landline
925-400
San Francisco
O1 Communications Inc. - Ca
Landline
925-401
San Francisco
Allegiance Telecom Inc. - Ca
Landline
925-402
San Francisco
Allegiance Telecom Inc. - Ca
Landline
925-403
San Francisco
Allegiance Telecom Inc. - Ca
Landline
925-404
San Francisco
Allegiance Telecom Inc. - Ca
Landline
925-405
San Francisco
Allegiance Telecom Inc. - Ca
Landline
925-406
San Francisco
Allegiance Telecom Inc. - Ca
Landline
925-407
San Francisco
Allegiance Telecom Inc. - Ca
Landline
925-408
Concord
New Cingular Wireless Pcs Llc
Wireless
925-410
Oakland
American Messaging Services Llc
Landline
925-413
Concord
New Cingular Wireless Pcs Llc
Wireless
925-415
San Jose
Broadwing Communications Llc - Ca
Landline
925-416
Pleasanton
Pacific Bell
Landline
925-417
Pleasanton
Pacific Bell
Landline
925-418
San Jose
Broadwing Communications Llc - Ca
Landline

Top prefixes in this area code

925-200→925-201→925-202→925-203→925-205→925-206→925-207→925-208→
Why area code pages matter in reverse phone lookup

Area code pages help visitors understand the wider calling region connected to a number. While a full reverse phone lookup page focuses on one specific caller, an area code page shows the bigger picture by grouping prefixes, cities, and carrier patterns under the same first three digits. This makes it easier to spot whether a number appears local, regional, or part of a service area the visitor already recognizes.

For phone directory websites, area code pages also improve browsing. A user can start with a missed call, discover the number's first three digits, and then move into the related area code to see supporting location data and a list of active prefixes. That layered navigation creates a better research experience and gives visitors more confidence when they continue into a specific number page.