All assignees
797 prefixes in 559 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 559-200 | FRESNO | 6010 | 2024-03-14 | Yes |
| 559-201 | CHOWCHILLA | 981E | — | Yes |
| 559-202 | PORTERVL | 6529 | — | Yes |
| 559-203 | CLOVIS | 6529 | 2010-12-13 | Yes |
| 559-204 | PORTERVL | 6906 | — | — |
| 559-205 | VISALIA | 373F | — | Yes |
| 559-206 | FRESNO | 649C | 2015-11-20 | Yes |
| 559-207 | CLOVIS | 6529 | 2016-08-31 | Yes |
| 559-208 | FRESNO | 6906 | — | — |
| 559-209 | FRESNO | 425J | 2020-02-13 | Yes |
| 559-210 | SANJOAQUIN | 394L | — | Yes |
| 559-211 | XXXXXXXXXX | MULT | — | — |
| 559-212 | HANFORD | 671J | — | Yes |
| 559-213 | FRESNO | 6529 | — | Yes |
| 559-214 | FRESNO | 6529 | 2016-07-01 | Yes |
| 559-215 | SELMA | 6010 | 2023-07-14 | Yes |
| 559-216 | FRESNO | 373F | 2016-08-25 | Yes |
| 559-217 | FRESNO | 6529 | — | Yes |
| 559-218 | FRESNO | 671J | 2022-05-26 | Yes |
| 559-219 | TIPTON | 939H | 2023-08-10 | Yes |
| 559-220 | LEMOORE | 7229 | 2021-07-07 | Yes |
| 559-221 | FRESNO | 9740 | — | — |
| 559-222 | FRESNO | 9740 | — | — |
| 559-223 | CHOWCHILLA | 6010 | — | Yes |
| 559-224 | FRESNO | 9740 | — | — |
| 559-225 | FRESNO | 9740 | — | — |
| 559-226 | FRESNO | 9740 | — | Yes |
| 559-227 | FRESNO | 9740 | — | — |
| 559-228 | FRESNO | 9740 | — | Yes |
| 559-229 | FRESNO | 9740 | — | — |
| 559-230 | FRESNO | 9740 | — | Yes |
| 559-231 | FRESNO | 516C | 2014-08-28 | Yes |
| 559-232 | MADERA | 6010 | — | — |
| 559-233 | FRESNO | 9740 | — | — |
| 559-234 | CARUTHERS | 649C | — | Yes |
| 559-235 | DUNLAP | 649C | — | Yes |
| 559-236 | GRANTGROVE | 649C | — | Yes |
| 559-237 | FRESNO | 9740 | — | — |
| 559-238 | KINGSBURG | 622J | — | Yes |
| 559-239 | LINDSAY | 981E | — | Yes |
| 559-240 | FRESNO | 6006 | — | — |
| 559-241 | FRESNO | 9740 | — | Yes |
| 559-242 | MENDOTA | 8826 | — | Yes |
| 559-243 | FRESNO | 9740 | — | Yes |
| 559-244 | FRESNO | 9740 | — | Yes |
| 559-245 | MIRANTPHST | 981E | — | Yes |
| 559-246 | FRESNO | 6006 | — | — |
| 559-247 | FRESNO | 9740 | — | — |
| 559-248 | FRESNO | 9740 | — | Yes |
| 559-249 | ORANGECOVE | 649C | — | Yes |
| 559-250 | FRESNO | 6010 | — | — |
| 559-251 | FRESNO | 9740 | — | — |
| 559-252 | FRESNO | 9740 | — | — |
| 559-253 | FRESNO | 9740 | — | Yes |
| 559-254 | PARLIER | 394L | — | Yes |
| 559-255 | FRESNO | 9740 | — | — |
| 559-256 | FRESNO | 7718 | — | — |
| 559-257 | SELMA | 8826 | — | Yes |
| 559-258 | DEL REY | 981E | — | Yes |
| 559-259 | FRESNO | 6010 | — | — |
| 559-260 | FRESNO | 6010 | — | — |
| 559-261 | FRESNO | 9740 | — | Yes |
| 559-262 | FRESNO | 9740 | — | Yes |
| 559-263 | FRESNO | 9740 | — | Yes |
| 559-264 | FRESNO | 9740 | — | — |
| 559-265 | FRESNO | 9740 | — | Yes |
| 559-266 | FRESNO | 9740 | — | — |
| 559-267 | RAYMOND | 6006 | — | Yes |
| 559-268 | FRESNO | 9740 | — | — |
| 559-269 | FRESNO | 6010 | — | — |
| 559-270 | FRESNO | 6529 | — | Yes |
| 559-271 | FRESNO | 9740 | — | — |
| 559-272 | FRESNO | 649C | — | — |
| 559-273 | FRESNO | 6529 | — | Yes |
| 559-274 | FRESNO | 9740 | — | Yes |
| 559-275 | FRESNO | 9740 | — | — |
| 559-276 | FRESNO | 9740 | — | — |
| 559-277 | FRESNO | 9740 | — | — |
| 559-278 | FRESNO | 9740 | — | — |
| 559-279 | FRESNO | 9748 | — | — |
| 559-280 | VISALIA | 6010 | — | — |
| 559-281 | FRESNO | 6010 | — | — |
| 559-282 | AVENAL | 981E | — | Yes |
| 559-283 | FRESNO | 6010 | — | Yes |
| 559-284 | FRESNO | 6010 | — | — |
| 559-285 | FRESNO | 6010 | — | — |
| 559-286 | FRESNO | 5562 | — | Yes |
| 559-287 | FRESNO | 6010 | — | — |
| 559-288 | FRESNO | 6010 | — | — |
| 559-289 | FRESNO | 6010 | — | — |
| 559-290 | FRESNO | 6529 | 2016-12-01 | Yes |
| 559-291 | FRESNO | 9740 | — | — |
| 559-292 | FRESNO | 9740 | — | — |
| 559-293 | FRESNO | 6529 | 2017-02-14 | Yes |
| 559-294 | FRESNO | 9740 | — | — |
| 559-295 | COALINGA | 7718 | — | Yes |
| 559-296 | FIREBAUGH | 7718 | — | Yes |
| 559-297 | CLOVIS | 9740 | — | — |
| 559-298 | CLOVIS | 9740 | — | — |
| 559-299 | CLOVIS | 9740 | — | — |
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.