LEVEL 3 COMMUNICATIONS, LLC - CA
26 prefixes in 831 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 831-223 | SOLEDAD | 8826 | — | Yes |
| 831-233 | MONTEREY | 8826 | — | Yes |
| 831-274 | WATSONVL | 8826 | — | Yes |
| 831-293 | CARMEL | 8826 | 2008-06-25 | Yes |
| 831-296 | SALINAS | 8826 | 2010-07-12 | Yes |
| 831-299 | TRES PINOS | 8826 | — | Yes |
| 831-300 | BIG SUR | 8826 | — | Yes |
| 831-302 | SAN LUCAS | 8826 | — | Yes |
| 831-305 | GONZALES | 8826 | — | Yes |
| 831-306 | CHUALAR | 8826 | — | Yes |
| 831-307 | CASTROVL | 8826 | — | Yes |
| 831-350 | TRES PINOS | 8826 | 2006-05-11 | Yes |
| 831-359 | SANTA CRUZ | 8826 | — | Yes |
| 831-401 | BEN LOMOND | 8826 | — | Yes |
| 831-525 | KING CITY | 8826 | — | Yes |
| 831-612 | APTOS | 8826 | — | Yes |
| 831-621 | SANTA CRUZ | 8826 | — | Yes |
| 831-652 | CARMEL VLY | 8826 | — | Yes |
| 831-664 | HOLLISTER | 8826 | — | Yes |
| 831-665 | HOLLISTER | 8826 | — | Yes |
| 831-709 | BEN LOMOND | 8826 | — | Yes |
| 831-732 | SAN ARDO | 8826 | — | Yes |
| 831-741 | CASTROVL | 8826 | — | Yes |
| 831-778 | SAN LUCAS | 8826 | — | Yes |
| 831-920 | MONTEREY | 8826 | 2005-06-03 | Yes |
| 831-921 | TRES PINOS | 8826 | — | 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.