All assignees
797 prefixes in 559 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 559-400 | FRESNO | 649C | — | Yes |
| 559-401 | AVENAL | 6006 | — | Yes |
| 559-402 | BURREL | 515J | — | Yes |
| 559-403 | CARUTHERS | 6529 | — | Yes |
| 559-404 | COALINGA | 649C | — | Yes |
| 559-405 | DEL REY | 649C | — | Yes |
| 559-406 | DINUBA | 649C | — | Yes |
| 559-407 | FIREBAUGH | 515J | — | Yes |
| 559-408 | FRESNO | 6010 | 2007-03-14 | Yes |
| 559-409 | VISALIA | 073H | 2016-12-15 | Yes |
| 559-410 | HANFORD | 7421 | 2003-04-09 | Yes |
| 559-411 | XXXXXXXXXX | MULT | — | — |
| 559-412 | FRESNO | 6010 | 2007-04-04 | Yes |
| 559-413 | HANFORD | 6010 | 2015-09-08 | Yes |
| 559-414 | CORCORAN | 7145 | 2019-08-21 | Yes |
| 559-415 | HANFORD | 515J | — | Yes |
| 559-416 | MADERA | 6010 | 2007-04-07 | Yes |
| 559-417 | FRESNO | 6006 | 2007-05-10 | Yes |
| 559-418 | HURON | 515J | — | Yes |
| 559-419 | KINGSBURG | 515J | — | Yes |
| 559-420 | FRESNO | 649C | — | Yes |
| 559-421 | FRESNO | 649C | — | Yes |
| 559-422 | LATON | 981E | — | Yes |
| 559-423 | LEMOORE | 515J | — | Yes |
| 559-424 | MENDOTA | 981E | — | Yes |
| 559-425 | ORANGECOVE | 981E | — | Yes |
| 559-426 | PARLIER | 981E | — | Yes |
| 559-427 | PIXLEY | 649C | — | Yes |
| 559-428 | RIVERDALE | 515J | — | Yes |
| 559-429 | VISALIA | 7145 | 2007-06-04 | Yes |
| 559-430 | FRESNO | 9740 | — | Yes |
| 559-431 | FRESNO | 9740 | — | — |
| 559-432 | FRESNO | 9740 | — | — |
| 559-433 | FRESNO | 9740 | — | Yes |
| 559-434 | FRESNO | 9740 | — | — |
| 559-435 | FRESNO | 9740 | — | — |
| 559-436 | FRESNO | 9740 | — | Yes |
| 559-437 | FRESNO | 9740 | — | — |
| 559-438 | FRESNO | 9740 | — | — |
| 559-439 | FRESNO | 9740 | — | — |
| 559-440 | FRESNO | 9740 | — | Yes |
| 559-441 | FRESNO | 9740 | — | Yes |
| 559-442 | FRESNO | 9740 | — | Yes |
| 559-443 | FRESNO | 9740 | — | Yes |
| 559-444 | FRESNO | 9740 | — | Yes |
| 559-445 | FRESNO | 9740 | — | — |
| 559-446 | FRESNO | 9740 | — | Yes |
| 559-447 | FRESNO | 9740 | — | — |
| 559-448 | FRESNO | 9740 | — | Yes |
| 559-449 | FRESNO | 9740 | — | Yes |
| 559-450 | FRESNO | 9740 | — | — |
| 559-451 | FRESNO | 9740 | — | Yes |
| 559-452 | FRESNO | 9740 | — | — |
| 559-453 | FRESNO | 9740 | — | — |
| 559-454 | FRESNO | 9740 | — | — |
| 559-455 | FRESNO | 9740 | — | Yes |
| 559-456 | FRESNO | 9740 | — | — |
| 559-457 | FRESNO | 9740 | — | Yes |
| 559-458 | FRESNO | 9740 | — | Yes |
| 559-459 | FRESNO | 9740 | — | — |
| 559-460 | SELMA | 981E | — | Yes |
| 559-461 | SEQUOIA | 515J | — | Yes |
| 559-462 | SPRINGVL | 981E | — | Yes |
| 559-463 | STRATFORD | 515J | — | Yes |
| 559-464 | TERRABELLA | 981E | — | Yes |
| 559-465 | THREERIVRS | 515J | — | Yes |
| 559-466 | TIPTON | 515J | — | Yes |
| 559-467 | TULARE | 649C | — | Yes |
| 559-468 | WOODLAKE | 981E | — | Yes |
| 559-469 | HANFORD | 6529 | — | Yes |
| 559-470 | FRESNO | 649C | 2008-07-21 | Yes |
| 559-471 | VISALIA | 649C | — | Yes |
| 559-472 | CLOVIS | 8826 | — | Yes |
| 559-473 | FRESNO | 515J | — | Yes |
| 559-474 | MADERA | 8826 | 2001-08-22 | Yes |
| 559-475 | FRESNO | 394L | 2007-07-02 | Yes |
| 559-476 | FRESNO | 9262 | 2006-05-06 | Yes |
| 559-477 | FRESNO | 9740 | 2003-12-01 | Yes |
| 559-478 | FRESNO | 649C | 2007-12-21 | Yes |
| 559-479 | MADERA | 5562 | — | Yes |
| 559-480 | REEDLEY | 6010 | 2008-09-26 | Yes |
| 559-481 | MADERA | 6010 | 2008-08-28 | Yes |
| 559-482 | BURREL | 7718 | — | Yes |
| 559-483 | SPRINGVL | 8826 | — | Yes |
| 559-484 | TIPTON | 7718 | — | Yes |
| 559-485 | FRESNO | 9740 | — | — |
| 559-486 | FRESNO | 9740 | — | Yes |
| 559-487 | FRESNO | 9740 | — | Yes |
| 559-488 | FRESNO | 9740 | — | Yes |
| 559-489 | FRESNO | 9740 | — | Yes |
| 559-490 | FRESNO | 7229 | — | — |
| 559-491 | HANFORD | 6529 | 2015-09-11 | Yes |
| 559-492 | FRESNO | 981E | 2008-09-23 | Yes |
| 559-493 | FRESNO | 9740 | — | Yes |
| 559-494 | FRESNO | 9740 | — | Yes |
| 559-495 | FRESNO | 9740 | — | Yes |
| 559-496 | FRESNO | 9740 | — | Yes |
| 559-497 | FRESNO | 9740 | — | — |
| 559-498 | FRESNO | 9740 | — | Yes |
| 559-499 | FRESNO | 9740 | — | 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.