FRONTIER CALIFORNIA INC.
69 prefixes in 951 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 951-223 | HEMT HMLD | 2319 | 2007-02-15 | Yes |
| 951-242 | MORENO | 2319 | — | — |
| 951-243 | MORENO | 2319 | — | Yes |
| 951-244 | SUN CITY | 2319 | — | — |
| 951-245 | ELSINORE | 2319 | — | — |
| 951-246 | SUN CITY | 2319 | — | Yes |
| 951-247 | MORENO | 2319 | — | — |
| 951-296 | TEMECULA | 2319 | — | Yes |
| 951-301 | SUN CITY | 2319 | — | — |
| 951-302 | TEMECULA | 2319 | — | — |
| 951-303 | TEMECULA | 2319 | — | Yes |
| 951-304 | MURRIETA | 2319 | — | Yes |
| 951-306 | HEMT HEMT | 2319 | — | Yes |
| 951-308 | TEMECULA | 2319 | — | — |
| 951-413 | MORENO | 2319 | — | Yes |
| 951-443 | PERRIS | 2319 | — | Yes |
| 951-461 | MURRIETA | 2319 | — | Yes |
| 951-471 | ELSINORE | 2319 | — | Yes |
| 951-485 | MORENO | 2319 | — | — |
| 951-486 | MORENO | 2319 | — | Yes |
| 951-487 | HEMT SNJC | 2319 | — | Yes |
| 951-488 | MORENO | 2319 | — | Yes |
| 951-490 | PERRIS | 2319 | — | Yes |
| 951-491 | TEMECULA | 2319 | — | Yes |
| 951-492 | HEMT HEMT | 2319 | — | Yes |
| 951-506 | TEMECULA | 2319 | — | — |
| 951-587 | TEMECULA | 2319 | — | Yes |
| 951-600 | MURRIETA | 2319 | — | — |
| 951-601 | MORENO | 2319 | — | — |
| 951-609 | ELSINORE | 2319 | — | Yes |
| 951-652 | HEMT HEMT | 2319 | — | — |
| 951-653 | MORENO | 2319 | — | — |
| 951-654 | HEMT SNJC | 2319 | — | — |
| 951-656 | MORENO | 2319 | — | — |
| 951-657 | PERRIS | 2319 | — | — |
| 951-658 | HEMT HEMT | 2319 | — | — |
| 951-659 | IDYLLWILD | 2319 | — | Yes |
| 951-672 | SUN CITY | 2319 | — | — |
| 951-674 | ELSINORE | 2319 | — | — |
| 951-676 | TEMECULA | 2319 | — | — |
| 951-677 | MURRIETA | 2319 | — | — |
| 951-678 | ELSINORE | 2319 | — | — |
| 951-679 | SUN CITY | 2319 | — | — |
| 951-693 | TEMECULA | 2319 | — | — |
| 951-694 | TEMECULA | 2319 | — | Yes |
| 951-695 | TEMECULA | 2319 | — | — |
| 951-696 | MURRIETA | 2319 | — | — |
| 951-697 | MORENO | 2319 | — | — |
| 951-698 | MURRIETA | 2319 | — | — |
| 951-699 | TEMECULA | 2319 | — | — |
| 951-719 | TEMECULA | 2319 | — | Yes |
| 951-763 | HEMT ANZA | 2319 | — | Yes |
| 951-765 | HEMT HEMT | 2319 | — | Yes |
| 951-766 | HEMT HEMT | 2319 | — | — |
| 951-767 | HEMT SAGE | 2319 | — | Yes |
| 951-769 | BANNING | 2319 | — | Yes |
| 951-791 | HEMT HEMT | 2319 | — | Yes |
| 951-845 | BANNING | 2319 | — | — |
| 951-849 | BANNING | 2319 | — | — |
| 951-914 | TEMECULA | 2319 | — | — |
| 951-922 | BANNING | 2319 | — | Yes |
| 951-924 | MORENO | 2319 | — | — |
| 951-925 | HEMT HEMT | 2319 | — | — |
| 951-926 | HEMT HMLD | 2319 | — | — |
| 951-927 | HEMT HEMT | 2319 | — | — |
| 951-928 | LAKEVIEWNU | 2319 | — | Yes |
| 951-929 | HEMT HEMT | 2319 | — | — |
| 951-940 | PERRIS | 2319 | — | — |
| 951-943 | PERRIS | 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.