FRONTIER CALIFORNIA INC.
140 prefixes in 805 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 805-777 | THOUSAOAKS | 2319 | — | — |
| 805-778 | THOUSAOAKS | 2319 | — | Yes |
| 805-815 | OXNARD | 2319 | — | Yes |
| 805-865 | LOMPOC | 2319 | — | Yes |
| 805-881 | CARPINTRIA | 2319 | — | Yes |
| 805-882 | SANBARBARA | 2319 | — | — |
| 805-884 | SANBARBARA | 2319 | — | — |
| 805-892 | SANBARBARA | 2319 | — | Yes |
| 805-893 | SANBARBARA | 2319 | — | — |
| 805-897 | SANBARBARA | 2319 | — | — |
| 805-898 | SANBARBARA | 2319 | — | — |
| 805-899 | SANBARBARA | 2319 | — | — |
| 805-921 | SANTAPAULA | 2319 | — | Yes |
| 805-922 | SANTAMARIA | 2319 | — | — |
| 805-925 | SANTAMARIA | 2319 | — | — |
| 805-928 | SANTAMARIA | 2319 | — | — |
| 805-933 | SANTAPAULA | 2319 | — | — |
| 805-934 | SANTAMARIA | 2319 | — | — |
| 805-937 | SANTAMARIA | 2319 | — | — |
| 805-938 | SANTAMARIA | 2319 | — | Yes |
| 805-957 | SANBARBARA | 2319 | — | Yes |
| 805-961 | SANBARBARA | 2319 | — | — |
| 805-962 | SANBARBARA | 2319 | — | — |
| 805-963 | SANBARBARA | 2319 | — | — |
| 805-964 | SANBARBARA | 2319 | — | — |
| 805-965 | SANBARBARA | 2319 | — | — |
| 805-966 | SANBARBARA | 2319 | — | — |
| 805-967 | SANBARBARA | 2319 | — | — |
| 805-968 | SANBARBARA | 2319 | — | — |
| 805-969 | SANBARBARA | 2319 | — | — |
| 805-971 | SANBARBARA | 2319 | — | Yes |
| 805-981 | EL RIO | 2319 | — | — |
| 805-982 | OXNARD | 2319 | — | Yes |
| 805-983 | EL RIO | 2319 | — | — |
| 805-984 | OXNARD | 2319 | — | — |
| 805-985 | OXNARD | 2319 | — | — |
| 805-986 | POINT MUGU | 2319 | — | — |
| 805-987 | CAMARILLO | 2319 | — | — |
| 805-988 | EL RIO | 2319 | — | — |
| 805-989 | POINT MUGU | 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.