All assignees
800 prefixes in 530 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 530-200 | LOSMOLINOS | 6010 | — | Yes |
| 530-201 | REDDING | 649C | 2023-06-26 | Yes |
| 530-202 | AUBN MAIN | 6529 | 2023-07-13 | Yes |
| 530-203 | ELK CREEK | 671J | 2001-08-22 | Yes |
| 530-204 | DAVIS | 515J | — | Yes |
| 530-205 | GRVY MAIN | 6006 | — | Yes |
| 530-206 | PLVL KYBRZ | 981E | — | Yes |
| 530-207 | WOODLAND | 515J | — | Yes |
| 530-208 | SOUTHTAHOE | 981E | — | Yes |
| 530-209 | REDDING | 5562 | — | Yes |
| 530-210 | AUBN MAIN | 5562 | — | Yes |
| 530-211 | XXXXXXXXXX | MULT | — | — |
| 530-212 | WINTERS | 649C | — | Yes |
| 530-213 | NTAH BCWY | 515J | — | Yes |
| 530-214 | TRUCKEE | 515J | — | Yes |
| 530-215 | REDDING | 792K | 2012-04-18 | Yes |
| 530-216 | MARYSVILLE | 6529 | — | Yes |
| 530-217 | AUBN MAIN | 515J | — | Yes |
| 530-218 | MARYSVILLE | 6010 | — | — |
| 530-219 | DAVIS | 6010 | — | — |
| 530-220 | DAVIS | 6529 | 2001-12-26 | Yes |
| 530-221 | REDDING | 9740 | — | — |
| 530-222 | REDDING | 9740 | — | — |
| 530-223 | REDDING | 9740 | — | — |
| 530-224 | REDDING | 9740 | — | — |
| 530-225 | REDDING | 9740 | — | — |
| 530-226 | REDDING | 9740 | — | — |
| 530-227 | REDDING | 6006 | — | — |
| 530-228 | CHICO | 6006 | — | — |
| 530-229 | REDDING | 9740 | — | Yes |
| 530-230 | CHICO | 981E | — | Yes |
| 530-231 | DAVIS | 6529 | — | Yes |
| 530-232 | REDDING | 8826 | — | Yes |
| 530-233 | ALTURAS | 2308 | — | — |
| 530-234 | RAVENDALE | 2308 | — | Yes |
| 530-235 | DUNSMUIR | 9740 | — | Yes |
| 530-236 | CHALLENGE | 8826 | — | Yes |
| 530-237 | MARYSVILLE | 981E | — | Yes |
| 530-238 | SHASTALAKE | 9740 | — | Yes |
| 530-239 | MT SHASTA | 8826 | — | Yes |
| 530-240 | PLVL KYBRZ | 6006 | — | Yes |
| 530-241 | REDDING | 9740 | — | — |
| 530-242 | REDDING | 9740 | — | — |
| 530-243 | REDDING | 9740 | — | — |
| 530-244 | REDDING | 9740 | — | — |
| 530-245 | REDDING | 9740 | — | Yes |
| 530-246 | REDDING | 9740 | — | — |
| 530-247 | REDDING | 9740 | — | Yes |
| 530-248 | REDDING | 8826 | — | Yes |
| 530-249 | SUSANVILLE | 6006 | — | Yes |
| 530-250 | SUSANVILLE | 8826 | — | Yes |
| 530-251 | SUSANVILLE | 2308 | — | Yes |
| 530-252 | SUSANVILLE | 2308 | — | Yes |
| 530-253 | JANESVILLE | 2308 | — | Yes |
| 530-254 | JANESVILLE | 2308 | — | Yes |
| 530-255 | REDDING | 732J | — | Yes |
| 530-256 | WESTWOOD | 3402 | — | Yes |
| 530-257 | SUSANVILLE | 2308 | — | — |
| 530-258 | CHESTER | 2308 | — | Yes |
| 530-259 | CHESTER | 2308 | — | Yes |
| 530-260 | SUSANVILLE | 6261 | — | Yes |
| 530-261 | MT SHASTA | 6261 | — | Yes |
| 530-262 | REDDING | 9262 | 2005-04-07 | Yes |
| 530-263 | GRVY MAIN | 6010 | — | Yes |
| 530-264 | NEVADACITY | 7145 | — | Yes |
| 530-265 | NEVADACITY | 9740 | — | — |
| 530-266 | TRINITYCTR | 2321 | — | Yes |
| 530-267 | CHICO | 700J | — | Yes |
| 530-268 | GRVY SOUTH | 9740 | — | Yes |
| 530-269 | AUBN NORTH | 9740 | — | Yes |
| 530-270 | GRVY MAIN | 649C | — | Yes |
| 530-271 | GRVY MAIN | 9740 | — | Yes |
| 530-272 | GRVY MAIN | 9740 | — | — |
| 530-273 | GRVY MAIN | 9740 | — | — |
| 530-274 | GRVY MAIN | 9740 | — | — |
| 530-275 | REDDING | 9740 | — | — |
| 530-276 | REDDING | 9740 | — | Yes |
| 530-277 | GRVY MAIN | 6006 | — | — |
| 530-278 | GRVY SOUTH | 7145 | — | Yes |
| 530-279 | CEDARVILLE | 2308 | — | Yes |
| 530-280 | QUINCY | 981E | — | Yes |
| 530-281 | KEDDIE | 2308 | — | Yes |
| 530-282 | OROVILLE | 5562 | 2007-03-08 | Yes |
| 530-283 | QUINCY | 9740 | — | Yes |
| 530-284 | GREENVILLE | 2308 | — | Yes |
| 530-285 | CAMPTONVL | 7145 | — | Yes |
| 530-286 | MINERSVL | 2321 | — | Yes |
| 530-287 | ALLEGHANY | 9740 | — | Yes |
| 530-288 | CAMPTONVL | 9740 | — | Yes |
| 530-289 | DOWNIEVL | 9740 | — | Yes |
| 530-290 | ALLEGHANY | 649C | — | Yes |
| 530-291 | PLVL KYBRZ | 981E | — | Yes |
| 530-292 | NOSAN JUAN | 9740 | — | Yes |
| 530-293 | PLVL KYBRZ | 9740 | — | Yes |
| 530-294 | BIEBER | 2308 | — | Yes |
| 530-295 | PLVL WEST | 9740 | — | Yes |
| 530-296 | PLVL KYBRZ | 7145 | — | Yes |
| 530-297 | DAVIS | 9740 | — | Yes |
| 530-298 | DAVIS | 649C | — | Yes |
| 530-299 | ADIN | 2308 | — | 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.