Phone Directory Pro
Home / Area Codes / 661
Area Code Directory

Area Code 661

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
661Area Code
Area Code Overview
Area Code661
Primary LocationCalifornia
CountryUnited States
Prefix Coverage200 listed prefixes
Prefixes in 661
661-200
Newhall
Pacific Bell
Landline
661-201
Bakersfield
Sprint Spectrum L.p.
Wireless
661-202
Los Angeles
Tw Telecom Of California Lp - Ca
Landline
661-203
Bakersfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
661-204
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-205
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-206
San Francisco
Paetec Communications Inc. - Ca
Landline
661-207
Sherman Oaks
The Telephone Connection Of Los Angeles Inc.
Landline
661-208
Los Angeles
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
661-209
Irvine
Sprint Spectrum L.p.
Wireless
661-210
Los Angeles
O1 Communications Inc. - Ca
Landline
661-212
Irvine
Sprint Spectrum L.p.
Wireless
661-213
Bakersfield
Sprint Spectrum L.p.
Wireless
661-214
Bakersfield
Pac - West Telecomm Inc.
Landline
661-215
Bakersfield
Pac - West Telecomm Inc.
Landline
661-216
Los Angeles
American Messaging Services Llc
Landline
661-217
Bakersfield
American Messaging Services Llc
Landline
661-219
Irvine
Mci Worldcom Communications Inc. Ca
Landline
661-220
Bakersfield
T-mobile Usa Inc.
Wireless
661-221
Bakersfield
T-mobile Usa Inc.
Wireless
661-222
Newhall
Pacific Bell
Landline
661-223
Palmdale
Pacific Bell
Landline
661-224
Palmdale
Pacific Bell
Landline
661-225
Palmdale
Pacific Bell
Landline
661-226
Bakersfield
American Messaging Services Llc
Landline
661-228
Los Angeles
O1 Communications Inc. - Ca
Landline
661-229
Bakersfield
O1 Communications Inc. - Ca
Landline
661-230
Bakersfield
O1 Communications Inc. - Ca
Landline
661-231
Bakersfield
O1 Communications Inc. - Ca
Landline
661-232
Bakersfield
O1 Communications Inc. - Ca
Landline
661-233
Irvine
Pacific Bell
Landline
661-235
Bakersfield
O1 Communications Inc. - Ca
Landline
661-236
Simi Valley
Pacific Bell
Landline
661-237
Bakersfield
O1 Communications Inc. - Ca
Landline
661-238
Bakersfield
O1 Communications Inc. - Ca
Landline
661-239
Bakersfield
O1 Communications Inc. - Ca
Landline
661-240
Bakersfield
O1 Communications Inc. - Ca
Landline
661-241
Bakersfield
O1 Communications Inc. - Ca
Landline
661-242
Frazier Park
Pacific Bell
Landline
661-243
Bakersfield
O1 Communications Inc. - Ca
Landline
661-244
Los Angeles
Pac - West Telecomm Inc.
Landline
661-245
Frazier Park
Pacific Bell
Landline
661-246
Bakersfield
O1 Communications Inc. - Ca
Landline
661-247
Bakersfield
O1 Communications Inc. - Ca
Landline
661-248
Lebec
Pacific Bell
Landline
661-249
Los Angeles
O1 Communications Inc. - Ca
Landline
661-250
Santa Clarita
Pacific Bell
Landline
661-251
Santa Clarita
Pacific Bell
Landline
661-252
Santa Clarita
Pacific Bell
Landline
661-253
Newhall
Pacific Bell
Landline
661-254
Newhall
Pacific Bell
Landline
661-255
Newhall
Pacific Bell
Landline
661-256
Rosamond
Pacific Bell
Landline
661-257
Castaic
Pacific Bell
Landline
661-258
Edwards
Pacific Bell
Landline
661-259
Newhall
Pacific Bell
Landline
661-260
Newhall
Pacific Bell
Landline
661-261
Palmdale
Pacific Bell
Landline
661-262
Los Angeles
O1 Communications Inc. - Ca
Landline
661-263
Santa Clarita
Pacific Bell
Landline
661-264
Palmdale
Pacific Bell
Landline
661-265
Palmdale
Pacific Bell
Landline
661-266
Palmdale
Pacific Bell
Landline
661-267
Palmdale
Pacific Bell
Landline
661-268
Santa Clarita
Pacific Bell
Landline
661-269
Acton
Pacific Bell
Landline
661-270
Palmdale
Pacific Bell
Landline
661-271
Bakersfield
Tw Telecom Of California Lp - Ca
Landline
661-272
Palmdale
Pacific Bell
Landline
661-273
Palmdale
Pacific Bell
Landline
661-274
Palmdale
Pacific Bell
Landline
661-275
Edwards
Pacific Bell
Landline
661-276
Edwards
Pacific Bell
Landline
661-277
Edwards
Pacific Bell
Landline
661-278
Bakersfield
Tw Telecom Of California Lp - Ca
Landline
661-279
Bakersfield
Tw Telecom Of California Lp - Ca
Landline
661-280
Los Angeles
Pac - West Telecomm Inc.
Landline
661-281
Bakersfield
Brooks Fiber Communications Of California - Ca
Landline
661-282
Bakersfield
Brooks Fiber Communications Of California - Ca
Landline
661-283
Bakersfield
Brooks Fiber Communications Of California - Ca
Landline
661-284
Newhall
Pacific Bell
Landline
661-285
Palmdale
Pacific Bell
Landline
661-286
Newhall
Pacific Bell
Landline
661-287
Newhall
Pacific Bell
Landline
661-288
Newhall
Pacific Bell
Landline
661-289
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-290
Newhall
Pacific Bell
Landline
661-291
Newhall
Pacific Bell
Landline
661-292
Bakersfield
T-mobile Usa Inc.
Wireless
661-293
Bakersfield
T-mobile Usa Inc.
Wireless
661-294
Castaic
Pacific Bell
Landline
661-295
Castaic
Pacific Bell
Landline
661-296
Santa Clarita
Pacific Bell
Landline
661-297
Santa Clarita
Pacific Bell
Landline
661-298
Santa Clarita
Pacific Bell
Landline
661-299
Santa Clarita
Pacific Bell
Landline
661-300
Bakersfield
T-mobile Usa Inc.
Wireless
661-301
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-302
Bakersfield
Level 3 Communications Llc - Ca
Landline
661-303
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-304
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-305
Los Angeles
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
661-306
Los Angeles
Level 3 Communications Llc - Ca
Landline
661-307
Bakersfield
Cook Telecom Inc.
Landline
661-308
Los Angeles
American Messaging Services Llc
Landline
661-309
Burbank
Mci Worldcom Communications Inc. Ca
Landline
661-310
Los Angeles
Broadwing Communications Llc - Ca
Landline
661-312
Burbank
Sprint Spectrum L.p.
Wireless
661-313
Burbank
Sprint Spectrum L.p.
Wireless
661-315
Los Angeles
American Messaging Services Llc
Landline
661-316
Bakersfield
Brooks Fiber Communications Of California - Ca
Landline
661-317
Simi Valley
T-mobile Usa Inc.
Wireless
661-318
Bakersfield
33 Wireless Inc.
Wireless
661-319
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-320
Bakersfield
Pac - West Telecomm Inc.
Landline
661-321
Bakersfield
Pacific Bell
Landline
661-322
Bakersfield
Pacific Bell
Landline
661-323
Bakersfield
Pacific Bell
Landline
661-324
Bakersfield
Pacific Bell
Landline
661-325
Bakersfield
Pacific Bell
Landline
661-326
Bakersfield
Pacific Bell
Landline
661-327
Bakersfield
Pacific Bell
Landline
661-328
Bakersfield
Pacific Bell
Landline
661-329
Bakersfield
Usa Mobility Wireless Inc.
Wireless
661-330
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-331
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-332
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-333
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-334
Bakersfield
Pacific Bell
Landline
661-335
Bakersfield
Pacific Bell
Landline
661-336
Bakersfield
Pacific Bell
Landline
661-337
Bakersfield
Pacific Bell
Landline
661-338
Los Angeles
Broadwing Communications Llc - Ca
Landline
661-339
Los Angeles
Broadwing Communications Llc - Ca
Landline
661-340
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-341
Los Angeles
At&t Local
Landline
661-342
Bakersfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
661-343
Bakersfield
Sprint Spectrum L.p.
Wireless
661-344
Bakersfield
Sprint Spectrum L.p.
Wireless
661-345
Bakersfield
New Cingular Wireless Pcs Llc
Wireless
661-346
Bakersfield
Metro Pcs Inc.
Landline
661-347
Los Angeles
Level 3 Communications Llc - Ca
Landline
661-348
Bakersfield
Bright House Ntws Information Svcs (california) Ca
Landline
661-349
Los Angeles
Level 3 Communications Llc - Ca
Landline
661-350
Los Angeles
At&t Local
Landline
661-351
Sherman Oaks
The Telephone Connection Of Los Angeles Inc.
Landline
661-352
Bakersfield
The Telephone Connection Local Services Llc
Landline
661-353
Sherman Oaks
The Telephone Connection Of Los Angeles Inc.
Landline
661-354
Bakersfield
The Telephone Connection Local Services Llc
Landline
661-355
Bakersfield
The Telephone Connection Local Services Llc
Landline
661-356
Bakersfield
The Telephone Connection Local Services Llc
Landline
661-357
Bakersfield
The Telephone Connection Local Services Llc
Landline
661-358
Bakersfield
The Telephone Connection Local Services Llc
Landline
661-359
Bakersfield
The Telephone Connection Local Services Llc
Landline
661-360
San Francisco
At&t Local
Landline
661-361
Los Angeles
Paetec Communications Inc. - Ca
Landline
661-362
Los Angeles
Paetec Communications Inc. - Ca
Landline
661-363
Bakersfield
Pacific Bell
Landline
661-364
Bakersfield
Pacific Bell
Landline
661-366
Bakersfield
Pacific Bell
Landline
661-367
Los Angeles
Paetec Communications Inc. - Ca
Landline
661-368
Bakersfield
Teleport Communications Group - Los Angeles
Landline
661-369
Bakersfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
661-370
Bakersfield
Pac - West Telecomm Inc.
Landline
661-371
Bakersfield
Cf Communications Llc Dba Telekenex - Ca
Landline
661-373
Simi Valley
T-mobile Usa Inc.
Wireless
661-374
Bakersfield
Ymax Communications Corp. - Ca
Landline
661-375
Bakersfield
Arrival Communications Inc. - Ca
Landline
661-376
Bakersfield
Bandwidth.com Clec Llc - Ca
Landline
661-377
Bakersfield
Arrival Communications Inc. - Ca
Landline
661-378
Bakersfield
Hypercube Telecom Llc - Ca
Landline
661-379
Bakersfield
Bandwidth.com Clec Llc - Ca
Landline
661-380
Bakersfield
Race Telecommunications Inc. - Ca
Landline
661-381
Bakersfield
U.s. Telepacific Corp. - Ca
Landline
661-382
Los Angeles
Telequality Communications Inc. - Ca
Landline
661-385
Bakersfield
Teleport Communications Group - Los Angeles
Landline
661-387
Bakersfield
Pacific Bell
Landline
661-388
Santa Ana
Sprint Communications Company L.p. - Ca
Landline
661-390
Bakersfield
Mpower Networks Services Inc. - Ca
Landline
661-391
Bakersfield
Pacific Bell
Landline
661-392
Bakersfield
Pacific Bell
Landline
661-393
Bakersfield
Pacific Bell
Landline
661-394
Bakersfield
Pacific Bell
Landline
661-395
Bakersfield
Pacific Bell
Landline
661-396
Bakersfield
Pacific Bell
Landline
661-397
Bakersfield
Pacific Bell
Landline
661-398
Bakersfield
Pacific Bell
Landline
661-399
Bakersfield
Pacific Bell
Landline
661-400
Anaheim
New Cingular Wireless Pcs Llc
Wireless
661-401
Bakersfield
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
661-402
Los Angeles
Metropcs Networks Llc
Landline
661-406
Los Angeles
New Cingular Wireless Pcs Llc
Wireless
661-410
Bakersfield
U.s. Telepacific Corp. - Ca
Landline
661-412
Bakersfield
Sbc Internet Services Inc.
Landline
661-413
Bakersfield
Pac - West Telecomm Inc.
Landline
661-414
Santa Ana
Tw Telecom Of California Lp - Ca
Landline
661-418
Santa Fe Springs
Sprint Spectrum L.p.
Wireless
661-420
Bakersfield
Pac - West Telecomm Inc.
Landline
661-422
Los Angeles
Pac - West Telecomm Inc.
Landline
661-423
Lancaster
Verizon California Inc.-ca (gte)
Landline

Top prefixes in this area code

661-200→661-201→661-202→661-203→661-204→661-205→661-206→661-207→
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.