All assignees
797 prefixes in 559 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 559-800 | FRESNO | 6529 | — | Yes |
| 559-801 | FRESNO | 7145 | — | Yes |
| 559-802 | VISALIA | 6010 | — | Yes |
| 559-803 | FRESNO | 671J | 2004-11-02 | Yes |
| 559-804 | VISALIA | 5562 | — | Yes |
| 559-805 | VISALIA | 5562 | — | Yes |
| 559-806 | VISALIA | 671J | 2022-06-30 | Yes |
| 559-807 | FRESNO | 7145 | 2022-09-02 | Yes |
| 559-808 | LINDSAY | 649C | — | Yes |
| 559-809 | VISALIA | 490J | 2021-12-30 | Yes |
| 559-810 | CARUTHERS | 394L | 2022-10-05 | Yes |
| 559-811 | XXXXXXXXXX | MULT | — | — |
| 559-812 | CHOWCHILLA | 490J | 2022-01-18 | Yes |
| 559-813 | FOWLER | 6529 | 2002-09-19 | Yes |
| 559-814 | FOWLER | 6010 | 2022-08-22 | Yes |
| 559-815 | FRESNO | 732J | 2023-01-11 | Yes |
| 559-816 | LEMOORE | 6010 | — | — |
| 559-817 | LEMOORE | 5562 | 2002-03-21 | Yes |
| 559-818 | CLOVIS | 732J | — | Yes |
| 559-819 | SELMA | 7718 | — | Yes |
| 559-820 | VISALIA | 6010 | 2023-03-10 | Yes |
| 559-821 | COALINGA | 8826 | 2002-06-14 | Yes |
| 559-822 | FRIANT | 2332 | — | — |
| 559-823 | ORANGECOVE | 8826 | — | Yes |
| 559-824 | FRESNO | 6010 | — | — |
| 559-825 | FRESNO | 981E | 2015-03-20 | Yes |
| 559-826 | CLOVIS | 6010 | 2014-11-03 | Yes |
| 559-827 | VISALIA | 8826 | 2002-05-17 | Yes |
| 559-828 | SELMA | 671J | 2022-06-30 | Yes |
| 559-829 | SANJOAQUIN | 4420 | — | Yes |
| 559-830 | VISALIA | 6010 | 2023-05-03 | Yes |
| 559-831 | MADERA | 6006 | — | Yes |
| 559-832 | FRESNO | 6006 | 2014-11-05 | Yes |
| 559-833 | SELMA | 965H | 2021-04-19 | Yes |
| 559-834 | FOWLER | 2319 | — | Yes |
| 559-835 | FRESNO | 6010 | 2015-06-05 | Yes |
| 559-836 | HANFORD | 6529 | 2002-04-15 | Yes |
| 559-837 | TULARE | 373F | — | Yes |
| 559-838 | EXETER | 8826 | 2002-04-15 | Yes |
| 559-839 | VISALIA | 6010 | 2023-05-03 | Yes |
| 559-840 | FRESNO | 394L | 2006-06-28 | Yes |
| 559-841 | SHAVER | 2332 | — | — |
| 559-842 | KERMAN | 2324 | — | — |
| 559-843 | KERMAN | 2324 | — | — |
| 559-844 | MIRANTPHST | 965H | 2020-11-18 | Yes |
| 559-845 | DINUBA | 649C | 2022-11-17 | Yes |
| 559-846 | KERMAN | 2324 | — | — |
| 559-847 | PARLIER | 7718 | — | Yes |
| 559-848 | WOODLAKE | 6010 | 2023-06-13 | Yes |
| 559-849 | O NEALS | 490J | 2023-06-14 | Yes |
| 559-850 | KENNEDY MW | 2313 | — | — |
| 559-851 | HURON | 649C | — | Yes |
| 559-852 | HANFORD | 9740 | 2011-05-26 | Yes |
| 559-853 | PORTERVL | 8826 | 2005-06-03 | Yes |
| 559-854 | PORTERVL | 373F | — | Yes |
| 559-855 | AUBERRY | 2332 | — | — |
| 559-856 | SELMA | 6010 | 2011-09-21 | Yes |
| 559-857 | FRIANT | 490J | 2023-06-15 | Yes |
| 559-858 | HANFORD | 6010 | 2024-08-27 | Yes |
| 559-859 | KINGSBURG | 6010 | — | Yes |
| 559-860 | FRESNO | 6010 | — | Yes |
| 559-862 | CLOVIS | 8826 | 2002-05-17 | Yes |
| 559-863 | DUNLAP | 506J | 2023-06-22 | Yes |
| 559-864 | CARUTHERS | 9740 | — | Yes |
| 559-865 | WISHON | 2332 | — | — |
| 559-866 | BURREL | 9740 | — | Yes |
| 559-867 | RIVERDALE | 9740 | — | Yes |
| 559-868 | O NEALS | 2332 | — | — |
| 559-869 | KINGSBURG | 8826 | 2002-03-21 | Yes |
| 559-870 | TULARE | 6006 | 2023-08-23 | Yes |
| 559-871 | MADERA | 6010 | — | — |
| 559-872 | CLOVIS | 6529 | 2023-08-23 | Yes |
| 559-874 | CLOVIS | 649C | 2023-10-04 | Yes |
| 559-875 | SANGER | 4420 | — | — |
| 559-876 | SANGER | 4420 | — | Yes |
| 559-877 | NORTH FORK | 2332 | — | — |
| 559-878 | FRESNO | 939H | 2017-03-24 | Yes |
| 559-879 | VISALIA | 649C | 2023-10-04 | Yes |
| 559-880 | LEMOORE | 6006 | 2023-10-26 | Yes |
| 559-881 | FRESNO | 394L | 2023-11-01 | Yes |
| 559-882 | CLOVIS | 6529 | 2024-01-19 | Yes |
| 559-883 | PORTERVL | 6010 | 2024-02-27 | Yes |
| 559-884 | BURREL | 9740 | — | Yes |
| 559-885 | CARUTHERS | 6529 | 2015-06-19 | Yes |
| 559-886 | CORCORAN | 6010 | 2024-02-28 | Yes |
| 559-887 | TULARE | 6010 | 2024-03-14 | Yes |
| 559-888 | DEL REY | 9740 | — | Yes |
| 559-889 | VISALIA | 6010 | 2024-03-25 | Yes |
| 559-890 | FRESNO | 197D | 2017-12-14 | Yes |
| 559-891 | SELMA | 9740 | — | — |
| 559-892 | FRESNO | 7718 | 2005-09-06 | Yes |
| 559-893 | BIG CREEK | 2332 | — | — |
| 559-894 | FRESNO | 6006 | 2024-04-04 | Yes |
| 559-895 | BURREL | 8826 | — | Yes |
| 559-896 | SELMA | 9740 | — | — |
| 559-897 | KINGSBURG | 9740 | — | — |
| 559-898 | SELMA | 9740 | — | Yes |
| 559-899 | FRESNO | 649C | 2015-03-17 | Yes |
| 559-900 | CLOVIS | 649C | — | Yes |
| 559-901 | VISALIA | 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.