All assignees
797 prefixes in 559 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 559-600 | FRESNO | 9740 | 2009-11-03 | Yes |
| 559-601 | CARUTHERS | 6529 | 2016-04-01 | Yes |
| 559-602 | VISALIA | 6010 | 2019-11-19 | Yes |
| 559-603 | FRESNO | 7145 | 2021-04-02 | Yes |
| 559-604 | VISALIA | 6010 | 2020-12-09 | Yes |
| 559-605 | TULARE | 671J | 2019-04-08 | Yes |
| 559-606 | FRESNO | 506J | — | Yes |
| 559-607 | DINUBA | 981E | 2021-11-01 | Yes |
| 559-608 | VISALIA | 7145 | 2015-08-18 | Yes |
| 559-609 | STRATFORD | 073H | 2021-06-23 | Yes |
| 559-610 | VISALIA | 6010 | 2021-08-31 | Yes |
| 559-611 | XXXXXXXXXX | MULT | — | — |
| 559-612 | FRESNO | 6529 | 2015-07-29 | Yes |
| 559-613 | MADERA | 6010 | 2021-03-26 | Yes |
| 559-614 | FRESNO | 5562 | 2014-08-28 | Yes |
| 559-615 | PORTERVL | 792K | 2016-06-08 | Yes |
| 559-616 | TULARE | 6006 | 2021-04-19 | Yes |
| 559-617 | KINGSBURG | 981E | 2021-11-15 | Yes |
| 559-618 | TIVYVALLEY | 6010 | — | Yes |
| 559-619 | VISALIA | 6010 | 2021-07-29 | Yes |
| 559-620 | SELMA | 6010 | 2021-08-31 | Yes |
| 559-621 | FRESNO | 9740 | — | — |
| 559-622 | VISALIA | 9740 | — | — |
| 559-623 | VISALIA | 9740 | — | Yes |
| 559-624 | VISALIA | 9740 | — | Yes |
| 559-625 | VISALIA | 9740 | — | — |
| 559-626 | ORANGECOVE | 9740 | — | Yes |
| 559-627 | VISALIA | 9740 | — | Yes |
| 559-628 | CLOVIS | 981E | 2021-10-22 | Yes |
| 559-629 | FRESNO | 624H | — | Yes |
| 559-630 | SANJOAQUIN | 6010 | — | Yes |
| 559-631 | TULARE | 7718 | — | Yes |
| 559-632 | RIVERDALE | 7718 | — | Yes |
| 559-633 | LEMOORE | 7718 | — | Yes |
| 559-634 | KINGSBURG | 7718 | — | Yes |
| 559-635 | VISALIA | 9740 | — | — |
| 559-636 | VISALIA | 9740 | — | — |
| 559-637 | REEDLEY | 2319 | — | — |
| 559-638 | REEDLEY | 2319 | — | — |
| 559-639 | HANFORD | 7718 | — | Yes |
| 559-640 | THREERIVRS | 7718 | — | Yes |
| 559-641 | COARSEGOLD | 2338 | — | — |
| 559-642 | COARSEGOLD | 2338 | — | — |
| 559-643 | REEDLEY | 2319 | — | Yes |
| 559-644 | CARUTHERS | 7718 | — | Yes |
| 559-645 | MADERA | 9740 | — | Yes |
| 559-646 | PARLIER | 9740 | — | Yes |
| 559-647 | FRESNO | 5562 | — | Yes |
| 559-648 | DINUBA | 7718 | — | Yes |
| 559-649 | CLOVIS | 6010 | 2021-12-13 | Yes |
| 559-650 | FRESNO | 7229 | — | — |
| 559-651 | VISALIA | 9740 | — | Yes |
| 559-652 | FRESNO | 5562 | 2014-12-22 | Yes |
| 559-653 | FOWLER | 6529 | 2015-07-16 | Yes |
| 559-654 | SEQUOIA | 7718 | — | Yes |
| 559-655 | MENDOTA | 9740 | — | Yes |
| 559-656 | TULARE | 981E | 2015-07-24 | Yes |
| 559-657 | FIREBAUGH | 649C | — | Yes |
| 559-658 | COARSEGOLD | 2338 | — | — |
| 559-659 | FIREBAUGH | 9740 | — | Yes |
| 559-660 | MADERA | 649C | — | Yes |
| 559-661 | MADERA | 9740 | — | — |
| 559-662 | MADERA | 9740 | — | Yes |
| 559-663 | CHOWCHILLA | 649C | — | Yes |
| 559-664 | MADERA | 9740 | — | Yes |
| 559-665 | CHOWCHILLA | 9740 | — | Yes |
| 559-666 | FRESNO | 6006 | 2011-03-02 | Yes |
| 559-667 | VISALIA | 8826 | 2001-07-16 | Yes |
| 559-668 | FRESNO | 6529 | 2015-01-12 | Yes |
| 559-669 | FRESNO | 6010 | 2022-02-21 | Yes |
| 559-670 | HANFORD | 252F | 2011-05-09 | Yes |
| 559-671 | EXETER | 8826 | 2002-06-14 | Yes |
| 559-672 | REEDLEY | 6010 | 2015-06-05 | Yes |
| 559-673 | MADERA | 9740 | — | — |
| 559-674 | MADERA | 9740 | — | — |
| 559-675 | MADERA | 9740 | — | — |
| 559-676 | COARSEGOLD | 6010 | — | Yes |
| 559-677 | BADGER | 8826 | — | Yes |
| 559-678 | SQUAW VLY | 8826 | — | Yes |
| 559-679 | VISALIA | 6010 | — | — |
| 559-680 | FRESNO | 6529 | 2021-11-15 | Yes |
| 559-681 | FRESNO | 5562 | — | Yes |
| 559-682 | CARUTHERS | 8826 | 2002-05-17 | Yes |
| 559-683 | COARSEGOLD | 2338 | — | — |
| 559-684 | TULARE | 9740 | — | Yes |
| 559-685 | TULARE | 9740 | — | — |
| 559-686 | TULARE | 9740 | — | — |
| 559-687 | TULARE | 9740 | — | Yes |
| 559-688 | TULARE | 9740 | — | — |
| 559-689 | RAYMOND | 2338 | — | — |
| 559-690 | VISALIA | 6006 | 2015-03-13 | Yes |
| 559-691 | FRESNO | 6010 | 2014-05-16 | Yes |
| 559-692 | COARSEGOLD | 2338 | — | — |
| 559-693 | SANJOAQUIN | 4420 | — | Yes |
| 559-694 | FIREBAUGH | 5562 | — | Yes |
| 559-695 | EXETER | 624H | 2025-01-22 | Yes |
| 559-696 | FRESNO | 6010 | — | — |
| 559-697 | VISALIA | 8826 | — | Yes |
| 559-698 | SANJOAQUIN | 4420 | — | Yes |
| 559-699 | VISALIA | 965H | 2020-07-10 | 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.