| District of California area codes: 661 | |
|---|---|
| Country | United States |
| State/Province | California |
| Major City | Bakersfield |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 661-367 | Los Angeles | Canyon Country, CA | Paetec Communications |
| 661-368 | Kern | Bakersfield, CA | Teleport Communications Group - Los Angeles |
| 661-369 | Kern | Bakersfield, CA | Cellco Partnership DBA Verizon Wireless |
| 661-370 | Kern | Delano, CA | Pac - West Telecomm |
| 661-371 | Kern | Bakersfield, CA | Cf Communications DBA Telekenex |
| 661-372 | Kern | Delano, CA | Bandwidth.com Clec |
| 661-373 | Los Angeles | Santa Clarita, CA | T-mobile Usa |
| 661-374 | Kern | Bakersfield, CA | Ymax Communications Corp. |
| 661-375 | Kern | Delano, CA | Arrival Communications |
| 661-376 | Kern | Bakersfield, CA | Bandwidth.com Clec |
| 661-377 | Kern | Bakersfield, CA | Arrival Communications |
| 661-378 | Kern | Bakersfield, CA | Hypercube Telecom |
| 661-379 | Kern | Bakersfield, CA | Bandwidth.com Clec |
| 661-380 | Kern | Bakersfield, CA | Race Telecommunications |
| 661-381 | Kern | Bakersfield, CA | U.s. Telepacific Corp. |
| 661-382 | Los Angeles | Palmdale, CA | Bandwidth.com Clec |
| 661-385 | Kern | Edwards, CA | Teleport Communications Group - Los Angeles |
| 661-387 | Kern | Bakersfield, CA | Pacific Bell |
| 661-388 | Los Angeles | Santa Clarita, CA | Time Warner Cbl Info Svcs (ca) DBAtime Warner Cbl |
| 661-390 | Kern | Arvin, CA | Mpower Networks Services Inc. |
There are 508 prefixes, In the code area, the major cities are Bakersfield, CA;Delano, CA;Lancaster, CA;Oildale, . The major city is Bakersfield.