U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
24 prefixes in 858 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 858-200 | LA JOLLA | 671J | — | Yes |
| 858-216 | RNCHOPNQTS | 671J | — | Yes |
| 858-217 | RNCHOBRNDO | 671J | — | Yes |
| 858-218 | POWAY | 671J | — | Yes |
| 858-293 | SNDG MRMS | 671J | 2019-05-16 | Yes |
| 858-300 | SNDG LVTA | 671J | — | Yes |
| 858-318 | CHULAVISTA | 671J | 2022-05-27 | Yes |
| 858-356 | DEL MAR | 671J | — | Yes |
| 858-376 | RNCHOBRNDO | 671J | — | Yes |
| 858-400 | RNCHOSANFE | 671J | — | Yes |
| 858-413 | POWAY | 671J | — | Yes |
| 858-432 | RNCHOBRNDO | 671J | — | Yes |
| 858-436 | DEL MAR | 671J | — | Yes |
| 858-444 | SNDG MRMS | 671J | — | Yes |
| 858-519 | DEL MAR | 671J | — | Yes |
| 858-564 | SNDG MRMS | 671J | — | Yes |
| 858-707 | SNDG LVTA | 671J | — | Yes |
| 858-713 | LA JOLLA | 671J | — | Yes |
| 858-751 | SNDG LVTA | 671J | — | Yes |
| 858-777 | LA JOLLA | 671J | — | — |
| 858-860 | SNDG MRMS | 671J | — | Yes |
| 858-866 | LA JOLLA | 671J | — | Yes |
| 858-869 | LA JOLLA | 671J | — | Yes |
| 858-875 | LA JOLLA | 671J | — | — |
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.