Phone Directory Pro
Home / Area Codes / 650
Area Code Directory

Area Code 650

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.

Back to Area Codes Recent Reports
200Prefixes Listed
CaliforniaLocation
United StatesCountry
650Area Code
Area Code Overview
Area Code650
Primary LocationCalifornia
CountryUnited States
Prefix Coverage200 listed prefixes
Prefixes in 650
650-200
Oakland
O1 Communications Inc. - Ca
Landline
650-201
Brisbane
Sprint Spectrum L.p.
Wireless
650-202
Oakland
The Telephone Connection Local Services Llc
Landline
650-204
San Francisco
Tw Telecom Of California Lp - Ca
Landline
650-205
Livermore
Usa Mobility Wireless Inc.
Wireless
650-206
San Jose
Mpower Communications Corp - Ca
Landline
650-207
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-208
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-209
San Jose
U.s. Telepacific Corp. - Ca
Landline
650-210
Mountain View
Pacific Bell
Landline
650-212
San Mateo
Pacific Bell
Landline
650-213
Palo Alto
Pacific Bell
Landline
650-214
Hayward
Mci Worldcom Communications Inc. Ca
Landline
650-215
San Francisco
Global Crossing Local Services Inc.-ca
Landline
650-216
Redwood City
Pacific Bell
Landline
650-217
Livermore
Usa Mobility Wireless Inc.
Wireless
650-218
Brisbane
Sprint Spectrum L.p.
Wireless
650-219
Brisbane
Sprint Spectrum L.p.
Wireless
650-220
Oakland
American Messaging (am) Inc.
Landline
650-221
Oakland
American Messaging Services Llc
Landline
650-222
Dublin
Sprint Spectrum L.p.
Wireless
650-223
San Jose
Mpower Communications Corp - Ca
Landline
650-224
San Francisco
New Cingular Wireless Pcs Llc
Wireless
650-225
San Bruno
Pacific Bell
Landline
650-226
Redwood City
Mci Worldcom Communications Inc. Ca
Landline
650-227
Fremont
Xo California Inc.
Landline
650-228
Fremont
Xo California Inc.
Landline
650-229
Fremont
Xo California Inc.
Landline
650-230
Fremont
Xo California Inc.
Landline
650-231
Fremont
Xo California Inc.
Landline
650-232
Fremont
Xo California Inc.
Landline
650-233
Menlo Park
Pacific Bell
Landline
650-234
Menlo Park
Pacific Bell
Landline
650-235
Sunnyvale
Brooks Fiber Communications Of California - Ca
Landline
650-236
Palo Alto
Pacific Bell
Landline
650-237
Mountain View
Pacific Bell
Landline
650-238
Redwood City
Mci Worldcom Communications Inc. Ca
Landline
650-239
Oakland
Pac - West Telecomm Inc.
Landline
650-240
Oakland
Pac - West Telecomm Inc.
Landline
650-241
San Francisco
Level 3 Communications Llc - Ca
Landline
650-242
San Jose
Level 3 Communications Llc - Ca
Landline
650-243
San Jose
U.s. Telepacific Corp. - Ca
Landline
650-244
San Bruno
Pacific Bell
Landline
650-245
San Francisco
New Cingular Wireless Pcs Llc
Wireless
650-246
San Bruno
Pacific Bell
Landline
650-247
Oakland
American Messaging Services Llc
Landline
650-248
Brisbane
Sprint Spectrum L.p.
Wireless
650-249
Oakland
Pac - West Telecomm Inc.
Landline
650-251
Palo Alto
Pacific Bell
Landline
650-252
San Jose
Peerless Network Of California Llc - Ca
Landline
650-253
Hayward
Mci Worldcom Communications Inc. Ca
Landline
650-254
Mountain View
Pacific Bell
Landline
650-255
San Francisco
New Cingular Wireless Pcs Llc
Wireless
650-256
Oakland
Cook Telecom Inc.
Landline
650-257
San Francisco
Global Crossing Local Services Inc.-ca
Landline
650-258
San Francisco
Teleport Communications Group - San Francisco
Landline
650-259
Millbrae
Pacific Bell
Landline
650-260
San Francisco
At&t Local
Landline
650-261
Redwood City
Pacific Bell
Landline
650-262
San Francisco
Level 3 Communications Llc - Ca
Landline
650-263
San Francisco
Mci Worldcom Communications Inc. Ca
Landline
650-264
Fremont
At&t Local
Landline
650-265
San Francisco
At&t Local
Landline
650-266
San Bruno
Pacific Bell
Landline
650-267
Oakland
Level 3 Communications Llc - Ca
Landline
650-268
Fremont
Xo California Inc.
Landline
650-269
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-270
Brisbane
Sprint Spectrum L.p.
Wireless
650-271
Oakland
Metro Pcs Inc.
Landline
650-273
San Francisco
Astound Broadband Llc - Ca
Landline
650-274
Brisbane
Sprint Spectrum L.p.
Wireless
650-275
San Francisco
Xo California Inc.
Landline
650-276
San Francisco
Tw Telecom Of California Lp - Ca
Landline
650-277
Oakland
33 Wireless Inc.
Wireless
650-278
Oakland
T-mobile Usa Inc.
Wireless
650-279
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-280
Brisbane
Sprint Spectrum L.p.
Wireless
650-281
Brisbane
Sprint Spectrum L.p.
Wireless
650-282
San Francisco
Astound Broadband Llc - Ca
Landline
650-283
Oakland
T-mobile Usa Inc.
Wireless
650-284
Oakland
Pac - West Telecomm Inc.
Landline
650-286
San Mateo
Pacific Bell
Landline
650-287
San Mateo
Pacific Bell
Landline
650-288
Fairfield
Level 3 Communications Llc - Ca
Landline
650-289
Palo Alto
Pacific Bell
Landline
650-290
Oakland
Metro Pcs Inc.
Landline
650-291
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-292
San Francisco
Broadwing Communications Llc - Ca
Landline
650-293
San Mateo
Pacific Bell
Landline
650-294
San Mateo
Pacific Bell
Landline
650-295
San Mateo
Pacific Bell
Landline
650-296
San Francisco
New Cingular Wireless Pcs Llc
Wireless
650-297
San Francisco
Tw Telecom Of California Lp - Ca
Landline
650-298
Redwood City
Pacific Bell
Landline
650-299
Redwood City
Pacific Bell
Landline
650-300
San Francisco
Cf Communications Llc Dba Telekenex - Ca
Landline
650-301
Daly City
Pacific Bell
Landline
650-302
San Francisco
New Cingular Wireless Pcs Llc
Wireless
650-303
San Francisco
New Cingular Wireless Pcs Llc
Wireless
650-305
Oakland
T-mobile Usa Inc.
Wireless
650-306
Redwood City
Pacific Bell
Landline
650-307
Oakland
T-mobile Usa Inc.
Wireless
650-308
Palo Alto
Pacific Bell
Landline
650-312
San Mateo
Pacific Bell
Landline
650-314
Mountain View
Pacific Bell
Landline
650-315
Brisbane
Sprint Spectrum L.p.
Wireless
650-316
San Francisco
Teleport Communications Group - San Francisco
Landline
650-317
Livermore
Usa Mobility Wireless Inc.
Wireless
650-318
Mountain View
Pacific Bell
Landline
650-319
San Francisco
Allegiance Telecom Inc. - Ca
Landline
650-320
Palo Alto
Pacific Bell
Landline
650-321
Palo Alto
Pacific Bell
Landline
650-322
Palo Alto
Pacific Bell
Landline
650-323
Palo Alto
Pacific Bell
Landline
650-324
Palo Alto
Pacific Bell
Landline
650-325
Palo Alto
Pacific Bell
Landline
650-326
Palo Alto
Pacific Bell
Landline
650-327
Palo Alto
Pacific Bell
Landline
650-328
Palo Alto
Pacific Bell
Landline
650-329
Palo Alto
Pacific Bell
Landline
650-330
Palo Alto
Pacific Bell
Landline
650-331
San Francisco
Broadwing Communications Llc - Ca
Landline
650-332
Oakland
Pac - West Telecomm Inc.
Landline
650-333
Dublin
Sprint Spectrum L.p.
Wireless
650-335
Mountain View
Pacific Bell
Landline
650-336
Mountain View
Pacific Bell
Landline
650-337
San Francisco
O1 Communications Inc. - Ca
Landline
650-339
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-340
Burlingame
Pacific Bell
Landline
650-341
San Mateo
Pacific Bell
Landline
650-342
Burlingame
Pacific Bell
Landline
650-343
Burlingame
Pacific Bell
Landline
650-344
Burlingame
Pacific Bell
Landline
650-345
San Mateo
Pacific Bell
Landline
650-346
Brisbane
Sprint Spectrum L.p.
Wireless
650-347
Burlingame
Pacific Bell
Landline
650-348
Burlingame
Pacific Bell
Landline
650-349
San Mateo
Pacific Bell
Landline
650-350
San Mateo
Pacific Bell
Landline
650-351
San Francisco
Global Crossing Local Services Inc.-ca
Landline
650-352
San Francisco
Global Crossing Local Services Inc.-ca
Landline
650-353
San Francisco
Level 3 Communications Llc - Ca
Landline
650-354
Palo Alto
Pacific Bell
Landline
650-355
Pacifica
Pacific Bell
Landline
650-356
San Mateo
Pacific Bell
Landline
650-357
San Mateo
Pacific Bell
Landline
650-358
San Mateo
Pacific Bell
Landline
650-359
Pacifica
Pacific Bell
Landline
650-360
Oakland
Pac - West Telecomm Inc.
Landline
650-361
Redwood City
Pacific Bell
Landline
650-362
San Francisco
Allegiance Telecom Inc. - Ca
Landline
650-363
Redwood City
Pacific Bell
Landline
650-364
Redwood City
Pacific Bell
Landline
650-365
Redwood City
Pacific Bell
Landline
650-366
Redwood City
Pacific Bell
Landline
650-367
Redwood City
Pacific Bell
Landline
650-368
Redwood City
Pacific Bell
Landline
650-369
Redwood City
Pacific Bell
Landline
650-370
Oakland
Cook Telecom Inc.
Landline
650-371
Livermore
Usa Mobility Wireless Inc.
Wireless
650-372
San Mateo
Pacific Bell
Landline
650-373
Burlingame
Pacific Bell
Landline
650-374
Oakland
Cook Telecom Inc.
Landline
650-375
Burlingame
Pacific Bell
Landline
650-376
San Francisco
Global Crossing Local Services Inc.-ca
Landline
650-377
San Mateo
Pacific Bell
Landline
650-378
San Mateo
Pacific Bell
Landline
650-380
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-381
Redwood City
Pacific Bell
Landline
650-383
San Jose
Teleport Communications Group - San Francisco
Landline
650-384
San Jose
Teleport Communications Group - San Francisco
Landline
650-385
San Jose
Teleport Communications Group - San Francisco
Landline
650-386
San Jose
Teleport Communications Group - San Francisco
Landline
650-387
San Francisco
New Cingular Wireless Pcs Llc
Wireless
650-388
Fairfield
Mcimetro Access Transmission Services Llc
Landline
650-389
San Francisco
Mcimetro Access Transmission Services Llc
Landline
650-390
Mountain View
Pacific Bell
Landline
650-391
Santa Clara
Tw Telecom Of California Lp - Ca
Landline
650-392
Fremont
Tw Telecom Of California Lp - Ca
Landline
650-393
San Francisco
Tw Telecom Of California Lp - Ca
Landline
650-394
San Francisco
Tw Telecom Of California Lp - Ca
Landline
650-395
San Francisco
Tw Telecom Of California Lp - Ca
Landline
650-396
Fremont
T-mobile Usa Inc.
Wireless
650-397
San Francisco
O1 Communications Inc. - Ca
Landline
650-399
San Francisco
O1 Communications Inc. - Ca
Landline
650-400
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-401
Burlingame
Pacific Bell
Landline
650-403
San Francisco
Allegiance Telecom Inc. - Ca
Landline
650-404
Mountain View
Pacific Bell
Landline
650-406
Oakland
American Messaging Services Llc
Landline
650-408
Oakland
American Messaging Services Llc
Landline
650-409
San Francisco
U.s. Telepacific Corp. - Ca
Landline
650-412
San Francisco
Allegiance Telecom Inc. - Ca
Landline
650-413
San Carlos
Pacific Bell
Landline
650-416
San Jose
Mpower Communications Corp - Ca
Landline
650-417
San Jose
U.s. Telepacific Corp. - Ca
Landline
650-419
San Francisco
Tw Telecom Of California Lp - Ca
Landline
650-421
San Jose
U.s. Telepacific Corp. - Ca
Landline
650-422
Fairfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
650-423
Oakland
Pac - West Telecomm Inc.
Landline

Top prefixes in this area code

650-200→650-201→650-202→650-204→650-205→650-206→650-207→650-208→
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.