All assignees
800 prefixes in 408 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 408-400 | SUNNYVALE | 9740 | — | Yes |
| 408-401 | SNJS WEST | 5562 | 2001-10-18 | Yes |
| 408-402 | LOS GATOS | 2319 | — | Yes |
| 408-403 | SNJS SOUTH | 649C | 2023-09-19 | Yes |
| 408-404 | SNJS NORTH | 8826 | — | Yes |
| 408-405 | SALINAS | 6006 | — | Yes |
| 408-406 | SNJS WEST | 6010 | — | — |
| 408-407 | SNJS WEST | 6630 | — | — |
| 408-408 | SNJS WEST | 7145 | 2025-04-07 | Yes |
| 408-409 | CAMPBELL | 6529 | 2008-11-07 | Yes |
| 408-410 | CAMPBELL | 6010 | 2001-03-22 | — |
| 408-411 | XXXXXXXXXX | MULT | — | — |
| 408-412 | CAMPBELL | 981E | 2010-09-30 | Yes |
| 408-413 | GILROY | 649C | — | Yes |
| 408-414 | SNJS SOUTH | 7229 | — | Yes |
| 408-415 | MORGANHILL | 6006 | 2023-08-24 | Yes |
| 408-416 | SNJS NORTH | 7229 | — | Yes |
| 408-417 | SNJS WEST | 6010 | 2002-02-22 | Yes |
| 408-418 | SNJS WEST | 373F | 2008-12-18 | Yes |
| 408-419 | SUNNYVALE | 9740 | 2006-11-27 | Yes |
| 408-420 | SUNNYVALE | 6529 | — | Yes |
| 408-421 | SNJS NORTH | 6010 | 2001-09-19 | — |
| 408-422 | SAN MARTIN | 6529 | — | Yes |
| 408-423 | SNJS WEST | 9740 | — | — |
| 408-424 | SNJS NORTH | 7240 | — | — |
| 408-425 | SNJS SOUTH | 6010 | — | — |
| 408-426 | CAMPBELL | 6529 | 2001-05-17 | Yes |
| 408-427 | GILROY | 7145 | — | Yes |
| 408-428 | SNJS NORTH | 9740 | — | Yes |
| 408-429 | CAMPBELL | 6529 | 2002-09-19 | Yes |
| 408-430 | GILROY | 981E | 2010-09-30 | Yes |
| 408-431 | SUNNYVALE | 6010 | — | — |
| 408-432 | SNJS NORTH | 9740 | — | — |
| 408-433 | SNJS NORTH | 9740 | — | — |
| 408-434 | SNJS NORTH | 9740 | — | — |
| 408-435 | SNJS NORTH | 9740 | — | — |
| 408-436 | SNJS WEST | 9740 | — | — |
| 408-437 | SNJS WEST | 9740 | — | — |
| 408-438 | LOS GATOS | 6006 | 2001-04-19 | Yes |
| 408-439 | SNJS WEST | 6010 | — | — |
| 408-440 | SNJS SOUTH | 394L | 2006-12-11 | Yes |
| 408-441 | SNJS WEST | 9740 | — | — |
| 408-442 | LOS GATOS | 373F | 2013-03-08 | Yes |
| 408-443 | GILROY | 649C | 2023-09-19 | Yes |
| 408-444 | SNJS NORTH | 649C | — | Yes |
| 408-445 | SNJS SOUTH | 9740 | — | — |
| 408-446 | SNJS WEST | 9740 | — | — |
| 408-447 | SNJS WEST | 9740 | — | — |
| 408-448 | SNJS SOUTH | 9740 | — | — |
| 408-449 | SNJS NORTH | 5562 | — | Yes |
| 408-450 | SNJS WEST | 9740 | — | — |
| 408-451 | SNJS WEST | 9740 | — | — |
| 408-452 | SNJS WEST | 9740 | — | — |
| 408-453 | SNJS WEST | 9740 | — | — |
| 408-454 | SNJS WEST | 671J | — | Yes |
| 408-455 | LOS GATOS | 6529 | 2002-01-29 | Yes |
| 408-456 | SNJS NORTH | 9740 | — | — |
| 408-457 | SNJS NORTH | 8826 | 2006-12-12 | Yes |
| 408-458 | LOS GATOS | 6010 | 2002-01-29 | Yes |
| 408-459 | SNJS WEST | 649C | 2009-09-03 | Yes |
| 408-460 | CAMPBELL | 6529 | 2002-01-29 | Yes |
| 408-461 | SAN MARTIN | 6529 | 2001-05-17 | Yes |
| 408-462 | SUNNYVALE | 7718 | 2009-09-11 | Yes |
| 408-463 | SNJS SOUTH | 9740 | — | Yes |
| 408-464 | SNJS NORTH | 6010 | — | — |
| 408-465 | MORGANHILL | 7718 | — | Yes |
| 408-466 | CAMPBELL | 6529 | 2006-12-19 | Yes |
| 408-467 | SNJS WEST | 9740 | — | — |
| 408-468 | SNJS NORTH | 9740 | — | Yes |
| 408-469 | SUNNYVALE | 8826 | — | Yes |
| 408-470 | SUNNYVALE | 7145 | — | Yes |
| 408-471 | SNJS NORTH | 981E | 2010-10-01 | Yes |
| 408-472 | SNJS WEST | 6006 | — | — |
| 408-473 | SNJS NORTH | 9740 | — | — |
| 408-474 | SNJS NORTH | 9740 | — | Yes |
| 408-475 | SUNNYVALE | 981E | 2011-05-10 | Yes |
| 408-476 | SNJS SOUTH | 6010 | 2001-12-26 | Yes |
| 408-477 | SNJS WEST | 6010 | 2011-07-29 | Yes |
| 408-478 | SNJS SOUTH | 6006 | 2011-05-26 | Yes |
| 408-479 | SNJS NORTH | 6006 | 2011-05-26 | Yes |
| 408-480 | SUNNYVALE | 6529 | 2001-12-28 | Yes |
| 408-481 | SUNNYVALE | 9740 | — | — |
| 408-482 | SNJS WEST | 6006 | — | — |
| 408-483 | SNJS WEST | 6006 | — | — |
| 408-484 | SARATOGA | 7229 | — | Yes |
| 408-485 | SNJS WEST | 6630 | — | — |
| 408-486 | SNJS WEST | 9740 | — | — |
| 408-487 | SNJS WEST | 9740 | — | — |
| 408-488 | SNJS WEST | 6630 | — | — |
| 408-489 | SNJS WEST | 6006 | — | — |
| 408-490 | SNJS WEST | 7240 | — | Yes |
| 408-491 | SNJS WEST | 9740 | — | — |
| 408-492 | SNJS WEST | 9740 | — | — |
| 408-493 | SNJS NORTH | 9740 | — | Yes |
| 408-494 | SNJS WEST | 9740 | — | — |
| 408-495 | SNJS WEST | 9740 | — | Yes |
| 408-496 | SNJS WEST | 9740 | — | — |
| 408-497 | SNJS WEST | 6006 | — | — |
| 408-498 | SUNNYVALE | 394L | 2011-07-29 | Yes |
| 408-499 | SNJS WEST | 6006 | — | — |
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.