All assignees
797 prefixes in 559 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 559-700 | — | — | ||
| 559-701 | CLOVIS | 6529 | 2017-03-23 | Yes |
| 559-702 | WOODLAKE | 8826 | 2002-06-14 | Yes |
| 559-703 | FRESNO | 624H | 2022-08-25 | Yes |
| 559-704 | FRESNO | 6010 | 2006-04-06 | Yes |
| 559-705 | FRESNO | 073H | 2017-03-17 | Yes |
| 559-706 | MADERA | 6006 | — | — |
| 559-707 | HANFORD | 6006 | — | — |
| 559-708 | FRESNO | 8826 | 2001-08-22 | Yes |
| 559-709 | FRESNO | 6529 | 2001-09-19 | — |
| 559-710 | FRESNO | 624H | 2019-09-18 | Yes |
| 559-711 | XXXXXXXXXX | MULT | — | — |
| 559-712 | CLOVIS | 6529 | 2015-05-20 | Yes |
| 559-713 | VISALIA | 9740 | — | Yes |
| 559-714 | ORANGECOVE | 981E | 2021-11-15 | Yes |
| 559-715 | CHOWCHILLA | 516J | — | Yes |
| 559-716 | MADERA | 5562 | 2021-10-05 | Yes |
| 559-717 | AVENAL | 8826 | — | Yes |
| 559-718 | MADERA | 7718 | — | Yes |
| 559-719 | PORTERVL | 6010 | — | Yes |
| 559-720 | FRESNO | 6010 | 2009-02-23 | Yes |
| 559-721 | FRESNO | 516C | 2015-03-23 | Yes |
| 559-722 | FRESNO | 6529 | 2015-03-11 | Yes |
| 559-723 | VISALIA | 6010 | — | — |
| 559-724 | FRESNO | 5562 | 2014-12-30 | Yes |
| 559-725 | DINUBA | 8826 | 2001-08-22 | Yes |
| 559-726 | REEDLEY | 252F | 2011-08-16 | Yes |
| 559-727 | FRESNO | 6529 | 2015-03-04 | Yes |
| 559-728 | FRESNO | 6529 | — | Yes |
| 559-729 | AVENAL | 114J | 2018-02-23 | Yes |
| 559-730 | VISALIA | 9740 | — | Yes |
| 559-731 | VISALIA | 6006 | — | — |
| 559-732 | VISALIA | 9740 | — | — |
| 559-733 | VISALIA | 9740 | — | — |
| 559-734 | VISALIA | 9740 | — | — |
| 559-735 | VISALIA | 9740 | — | — |
| 559-736 | VISALIA | 6010 | 2002-03-19 | — |
| 559-737 | VISALIA | 9740 | — | Yes |
| 559-738 | VISALIA | 9740 | — | Yes |
| 559-739 | VISALIA | 9740 | — | Yes |
| 559-740 | VISALIA | 9740 | — | Yes |
| 559-741 | VISALIA | 9740 | — | Yes |
| 559-742 | RIVERDALE | 8826 | — | Yes |
| 559-743 | REEDLEY | 394L | — | Yes |
| 559-744 | SPRINGVL | 649C | — | Yes |
| 559-745 | SEQUOIA | 649C | — | Yes |
| 559-746 | VISALIA | 649C | — | Yes |
| 559-747 | VISALIA | 9740 | — | Yes |
| 559-748 | EXETER | 981E | — | Yes |
| 559-749 | VISALIA | 9740 | — | Yes |
| 559-750 | VISALIA | 5562 | — | Yes |
| 559-751 | ALPAUGH | 8826 | — | Yes |
| 559-752 | TIPTON | 9740 | — | Yes |
| 559-753 | FRESNO | 508J | 2014-07-18 | Yes |
| 559-754 | VISALIA | 6529 | 2014-11-11 | Yes |
| 559-755 | KERMAN | 6010 | 2015-08-26 | Yes |
| 559-756 | PORTERVL | 6010 | — | Yes |
| 559-757 | PIXLEY | 9740 | — | Yes |
| 559-758 | PARLIER | 965H | 2021-03-05 | Yes |
| 559-759 | TULARE | 5562 | 2002-03-21 | Yes |
| 559-760 | COARSEGOLD | 6006 | — | Yes |
| 559-761 | FRESNO | 8826 | 2001-11-29 | Yes |
| 559-762 | CORCORAN | 394L | — | Yes |
| 559-763 | HURON | 8826 | 2001-11-29 | Yes |
| 559-764 | MADERA | 671J | 2022-05-27 | Yes |
| 559-765 | CLOVIS | 8826 | 2002-06-14 | Yes |
| 559-766 | MODESTO | 9740 | — | — |
| 559-767 | CLOVIS | 6006 | 2022-08-10 | Yes |
| 559-768 | REEDLEY | 6529 | 2021-12-14 | Yes |
| 559-769 | WOODLAKE | 7718 | — | Yes |
| 559-770 | CLOVIS | 6010 | 2015-09-08 | Yes |
| 559-771 | FRESNO | 9748 | — | — |
| 559-772 | HANFORD | 394L | — | Yes |
| 559-773 | LEMOORE | 6006 | — | Yes |
| 559-774 | FRESNO | 490J | 2021-12-21 | Yes |
| 559-775 | CHOWCHILLA | 394L | 2015-07-09 | Yes |
| 559-776 | FRESNO | 6529 | 2005-02-18 | Yes |
| 559-777 | FRESNO | 649C | — | Yes |
| 559-778 | FRESNO | 939H | 2023-12-22 | Yes |
| 559-779 | FRESNO | 6010 | — | — |
| 559-780 | CORCORAN | 394L | — | Yes |
| 559-781 | PORTERVL | 9740 | — | — |
| 559-782 | PORTERVL | 9740 | — | — |
| 559-783 | PORTERVL | 9740 | — | Yes |
| 559-784 | PORTERVL | 9740 | — | — |
| 559-785 | FRESNO | 981E | 2014-10-30 | Yes |
| 559-786 | VISALIA | 6010 | — | — |
| 559-787 | TIVYVALLEY | 4420 | — | Yes |
| 559-788 | PORTERVL | 9740 | — | Yes |
| 559-789 | PORTERVL | 9740 | — | Yes |
| 559-790 | FRESNO | 5562 | — | Yes |
| 559-791 | PORTERVL | 9740 | — | Yes |
| 559-792 | PORTERVL | 649C | — | Yes |
| 559-793 | PORTERVL | 9740 | — | Yes |
| 559-794 | HANFORD | 6006 | 2015-03-16 | Yes |
| 559-795 | FRESNO | 6010 | 2014-11-03 | Yes |
| 559-796 | HANFORD | 6010 | 2015-03-10 | Yes |
| 559-797 | CLOVIS | 671J | 2001-03-22 | Yes |
| 559-798 | VISALIA | 9740 | — | Yes |
| 559-799 | VISALIA | 6010 | — | — |
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.