FRONTIER CALIFORNIA INC.
140 prefixes in 760 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 760-200 | PALMDESERT | 2319 | — | Yes |
| 760-202 | PALM SPG | 2319 | — | — |
| 760-227 | DESERT CTR | 2319 | — | Yes |
| 760-228 | YUCCA VLY | 2319 | — | — |
| 760-240 | VTVL APVY | 4420 | — | — |
| 760-241 | VICTORVL | 4420 | — | — |
| 760-242 | VTVL APVY | 4420 | — | — |
| 760-243 | VICTORVL | 4420 | — | — |
| 760-244 | VTVL HSPR | 4420 | — | — |
| 760-245 | VICTORVL | 4420 | — | — |
| 760-246 | VTVL ADLN | 4420 | — | — |
| 760-247 | VTVL APVY | 4420 | — | — |
| 760-248 | LUCERNEVLY | 4420 | — | Yes |
| 760-249 | WRIGHTWOOD | 4420 | — | Yes |
| 760-251 | DSERTHTSPG | 2319 | — | — |
| 760-252 | BARSTOW | 4420 | — | — |
| 760-253 | LENWOOD | 4420 | — | Yes |
| 760-254 | BRSW YERM | 4420 | — | Yes |
| 760-255 | BARSTOW | 4420 | — | — |
| 760-256 | BARSTOW | 4420 | — | — |
| 760-257 | NEWBERRY | 4420 | — | Yes |
| 760-261 | VICTORVL | 4420 | — | Yes |
| 760-269 | VICTORVL | 4420 | — | Yes |
| 760-288 | DSERTHTSPG | 2319 | — | Yes |
| 760-318 | PALM SPG | 2319 | — | Yes |
| 760-320 | PALM SPG | 2319 | — | — |
| 760-321 | PALM SPG | 2319 | — | — |
| 760-322 | PALM SPG | 2319 | — | — |
| 760-323 | PALM SPG | 2319 | — | — |
| 760-324 | PALM SPG | 2319 | — | — |
| 760-325 | PALM SPG | 2319 | — | — |
| 760-327 | PALM SPG | 2319 | — | — |
| 760-328 | PALM SPG | 2319 | — | — |
| 760-329 | DSERTHTSPG | 2319 | — | — |
| 760-340 | PALMDESERT | 2319 | — | — |
| 760-341 | PALMDESERT | 2319 | — | — |
| 760-342 | INDIO | 2319 | — | — |
| 760-343 | PALMDESERT | 2319 | — | Yes |
| 760-345 | PALMDESERT | 2319 | — | — |
| 760-346 | PALMDESERT | 2319 | — | — |
| 760-347 | INDIO | 2319 | — | — |
| 760-349 | PINYON | 2319 | — | Yes |
| 760-360 | PALMDESERT | 2319 | — | — |
| 760-361 | TWNTYNPLMS | 2319 | — | Yes |
| 760-362 | TWNTYNPLMS | 2319 | — | Yes |
| 760-363 | MORONGOVLY | 2319 | — | Yes |
| 760-364 | HOMESTDVLY | 2319 | — | Yes |
| 760-365 | YUCCA VLY | 2319 | — | — |
| 760-366 | JOSHUATREE | 2319 | — | — |
| 760-367 | TWNTYNPLMS | 2319 | — | Yes |
| 760-368 | TWNTYNPLMS | 2319 | — | Yes |
| 760-369 | YUCCA VLY | 2319 | — | Yes |
| 760-371 | RIDGECREST | 4420 | — | Yes |
| 760-372 | TRONA | 4420 | — | Yes |
| 760-373 | CALIFORNCY | 4420 | — | Yes |
| 760-374 | RANDSBURG | 4420 | — | Yes |
| 760-375 | RIDGECREST | 4420 | — | — |
| 760-376 | KERNVILLE | 4420 | — | Yes |
| 760-377 | INYOKERN | 4420 | — | Yes |
| 760-378 | WELDON | 4420 | — | Yes |
| 760-379 | LKISABELLA | 4420 | — | — |
| 760-381 | VICTORVL | 4420 | — | — |
| 760-383 | FORT IRWIN | 4420 | — | Yes |
| 760-384 | RIDGECREST | 4420 | — | Yes |
| 760-386 | FORT IRWIN | 4420 | — | Yes |
| 760-387 | PINE CREEK | 4420 | — | Yes |
| 760-388 | EL MIRAGE | 4420 | — | Yes |
| 760-389 | SUMMIT VLY | 4420 | — | Yes |
| 760-391 | INDIO | 2319 | — | Yes |
| 760-392 | EAGLE MT | 2319 | — | Yes |
| 760-393 | INDIO | 2319 | — | Yes |
| 760-394 | SALTON | 2319 | — | Yes |
| 760-395 | SALTON | 2319 | — | Yes |
| 760-396 | INDIO | 2319 | — | Yes |
| 760-397 | INDIO | 2319 | — | Yes |
| 760-398 | INDIO | 2319 | — | — |
| 760-399 | INDIO | 2319 | — | Yes |
| 760-416 | PALM SPG | 2319 | — | — |
| 760-428 | RIDGECREST | 4420 | 2009-10-27 | Yes |
| 760-446 | RIDGECREST | 4420 | — | Yes |
| 760-499 | RIDGECREST | 4420 | — | Yes |
| 760-530 | VTVL ADLN | 4420 | — | Yes |
| 760-549 | LKISABELLA | 4420 | — | Yes |
| 760-552 | VICTORVL | 4420 | 2008-01-25 | Yes |
| 760-564 | INDIO | 2319 | — | — |
| 760-568 | PALMDESERT | 2319 | — | — |
| 760-577 | BARSTOW | 4420 | — | Yes |
| 760-636 | PALMDESERT | 2319 | 2007-07-20 | Yes |
| 760-647 | LEE VINING | 4420 | — | Yes |
| 760-648 | JUNE LAKE | 4420 | — | Yes |
| 760-674 | PALMDESERT | 2319 | — | Yes |
| 760-762 | BORON | 4420 | — | Yes |
| 760-764 | OLANCHA | 4420 | — | Yes |
| 760-769 | BORON | 4420 | — | Yes |
| 760-770 | PALM SPG | 2319 | — | — |
| 760-771 | INDIO | 2319 | — | Yes |
| 760-772 | PALMDESERT | 2319 | — | — |
| 760-773 | PALMDESERT | 2319 | — | — |
| 760-775 | INDIO | 2319 | — | — |
| 760-776 | PALMDESERT | 2319 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.