LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
20 prefixes in 858 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 858-240 | RNCHOPNQTS | 7718 | — | Yes |
| 858-246 | LA JOLLA | 7718 | 2007-07-03 | Yes |
| 858-309 | SNDG LVTA | 7718 | — | Yes |
| 858-332 | LA JOLLA | 7718 | — | Yes |
| 858-357 | SNDG MRMS | 7718 | — | Yes |
| 858-380 | SNDG LVTA | 7718 | — | Yes |
| 858-386 | POWAY | 7718 | — | Yes |
| 858-480 | DEL MAR | 7718 | — | Yes |
| 858-617 | DEL MAR | 7718 | — | Yes |
| 858-649 | RNCHOBRNDO | 7718 | — | Yes |
| 858-651 | LA JOLLA | 7718 | — | — |
| 858-736 | LA JOLLA | 7718 | — | Yes |
| 858-746 | POWAY | 7718 | — | Yes |
| 858-754 | LA JOLLA | 7718 | — | Yes |
| 858-779 | RNCHOSANFE | 7718 | — | Yes |
| 858-798 | RNCHOBRNDO | 7718 | — | Yes |
| 858-805 | SNDG MRMS | 7718 | — | Yes |
| 858-845 | LA JOLLA | 7718 | — | — |
| 858-882 | LA JOLLA | 7718 | — | Yes |
| 858-943 | RNCHOBRNDO | 7718 | — | Yes |
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.