All assignees
403 prefixes in 442 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 442-200 | CALEXICO | 649C | — | Yes |
| 442-201 | LEE VINING | 649C | 2016-02-24 | Yes |
| 442-202 | BRAWLEY | 6529 | 2016-03-11 | Yes |
| 442-203 | BRIDGEPORT | 649C | 2016-03-21 | Yes |
| 442-204 | VISTA | 516C | 2016-04-12 | Yes |
| 442-205 | YUCCA VLY | 899D | 2016-05-10 | Yes |
| 442-206 | IMPERIAL | 649C | 2016-05-11 | Yes |
| 442-207 | FALLBROOK | 981E | 2016-08-12 | Yes |
| 442-208 | CALIPATRIA | 981E | 2016-08-22 | Yes |
| 442-209 | — | — | ||
| 442-210 | BIG PINE | 6010 | 2016-10-11 | Yes |
| 442-211 | MULT | — | — | |
| 442-212 | PALM SPG | 073H | 2016-12-02 | Yes |
| 442-213 | — | — | ||
| 442-214 | TWNTYNPLMS | 7229 | — | Yes |
| 442-215 | INDIO | 6010 | 2016-12-13 | Yes |
| 442-216 | VISTA | 6529 | 2016-12-13 | Yes |
| 442-217 | VALLEY CTR | 6010 | 2017-03-24 | Yes |
| 442-218 | LKISABELLA | 6529 | 2017-03-29 | Yes |
| 442-219 | VICTORVL | 6529 | 2017-06-08 | Yes |
| 442-220 | MT PASS | 707H | — | Yes |
| 442-221 | BENTON | 981E | 2013-08-13 | Yes |
| 442-222 | OCSD OCSD | 649C | — | Yes |
| 442-223 | NEWBERRY | 373F | 2012-06-29 | Yes |
| 442-224 | VISTA | 793K | 2013-03-28 | Yes |
| 442-225 | EL CENTRO | 5562 | — | Yes |
| 442-226 | BRAWLEY | 6529 | 2013-07-12 | Yes |
| 442-227 | PALMDESERT | 321J | — | Yes |
| 442-228 | BISHOP | 612K | 2013-11-04 | Yes |
| 442-229 | VICTORVL | 981E | 2013-11-19 | Yes |
| 442-230 | BRAWLEY | 6529 | 2016-10-10 | Yes |
| 442-231 | EL CENTRO | 793K | — | Yes |
| 442-232 | OCSD CRLS | 8826 | 2014-04-07 | Yes |
| 442-233 | LENWOOD | 981E | 2014-07-07 | Yes |
| 442-234 | PALM SPG | 373F | 2014-04-11 | Yes |
| 442-235 | BARSTOW | 6006 | 2014-06-10 | Yes |
| 442-236 | EL CENTRO | 6010 | 2014-03-24 | Yes |
| 442-237 | ESCONDIDO | 5562 | 2014-07-07 | Yes |
| 442-238 | EL CENTRO | 6529 | — | Yes |
| 442-239 | DEATH VLY | 707H | — | Yes |
| 442-240 | RAMONA | 598J | 2023-12-04 | Yes |
| 442-241 | INDIO | 6006 | — | Yes |
| 442-242 | VICTORVL | 899D | 2011-06-29 | Yes |
| 442-243 | VICTORVL | 6006 | 2014-06-24 | Yes |
| 442-244 | OCSD CRLS | 793K | 2013-03-25 | Yes |
| 442-245 | VISTA | 6006 | 2014-07-28 | Yes |
| 442-246 | MORONGOVLY | 7240 | 2014-06-17 | Yes |
| 442-247 | CALIFORNCY | 6010 | 2014-09-03 | Yes |
| 442-248 | ESCONDIDO | 6006 | 2014-09-26 | Yes |
| 442-249 | VTVL ADLN | 8826 | 2015-03-23 | Yes |
| 442-250 | CALEXICO | 373F | 2017-06-15 | Yes |
| 442-251 | VTVL HSPR | 899D | 2014-11-24 | Yes |
| 442-252 | CALEXICO | 981E | — | Yes |
| 442-253 | CALIPATRIA | 508J | 2014-06-27 | Yes |
| 442-254 | FALLBROOK | 649C | 2014-12-01 | Yes |
| 442-255 | VICTORVL | 6529 | 2015-08-04 | Yes |
| 442-256 | INDIO | 6006 | 2015-01-16 | Yes |
| 442-257 | ESCONDIDO | 6006 | 2015-01-21 | Yes |
| 442-258 | EL CENTRO | 6006 | 2015-03-17 | Yes |
| 442-259 | SUMMIT VLY | 981E | 2015-10-19 | Yes |
| 442-260 | DSERTHTSPG | 145J | — | Yes |
| 442-261 | SHOSHONE | 707H | — | Yes |
| 442-262 | OCSD OCSD | 5562 | 2015-04-14 | Yes |
| 442-263 | PAUMA VLY | 649C | — | Yes |
| 442-264 | OCSD OCSD | 6529 | 2014-10-17 | Yes |
| 442-265 | EL CENTRO | 8826 | 2014-11-10 | Yes |
| 442-266 | OCSD OCSD | 373F | 2017-06-15 | Yes |
| 442-267 | VTVL HSPR | 6006 | — | Yes |
| 442-268 | PALM SPG | 508J | 2015-11-02 | Yes |
| 442-269 | JOSHUATREE | 508J | 2015-12-03 | Yes |
| 442-270 | EL CENTRO | 5562 | 2017-09-20 | Yes |
| 442-271 | EL CENTRO | 6006 | 2015-01-16 | Yes |
| 442-272 | INYOKERN | 981E | 2015-06-16 | Yes |
| 442-273 | VISTA | 6529 | 2015-03-09 | Yes |
| 442-274 | PALMDESERT | 6010 | 2015-03-04 | Yes |
| 442-275 | PALM SPG | 551G | — | Yes |
| 442-276 | PINYON | 649C | 2015-12-03 | Yes |
| 442-277 | ESCONDIDO | 649C | 2017-12-22 | Yes |
| 442-278 | VALLEY CTR | 6010 | 2015-08-27 | Yes |
| 442-279 | BRAWLEY | 6529 | 2018-03-29 | Yes |
| 442-280 | BARSTOW | 6529 | 2018-04-11 | Yes |
| 442-281 | ESCONDIDO | 9740 | 2011-12-30 | Yes |
| 442-282 | PALMDESERT | 6010 | 2015-12-03 | Yes |
| 442-283 | EL CENTRO | 6006 | — | Yes |
| 442-284 | VICTORVL | 6529 | 2015-03-13 | Yes |
| 442-285 | CALIFORNCY | 6010 | 2015-07-06 | Yes |
| 442-286 | ESCONDIDO | 7240 | 2016-05-27 | Yes |
| 442-287 | OCSD CRLS | 7718 | 2016-05-04 | Yes |
| 442-288 | OCSD PDTN | 6010 | 2018-04-24 | Yes |
| 442-289 | VICTORVL | 0051 | 2018-05-08 | — |
| 442-290 | PALM SPG | 197D | 2018-06-13 | Yes |
| 442-291 | VISTA | 6529 | 2016-07-25 | Yes |
| 442-292 | VTVL APVY | 9262 | 2017-03-27 | Yes |
| 442-293 | BORREGO | 981E | 2015-09-09 | Yes |
| 442-294 | RIDGECREST | 6529 | 2016-06-10 | Yes |
| 442-295 | BARSTOW | 7229 | 2016-07-11 | Yes |
| 442-296 | CROWLEY LK | 973E | 2016-10-28 | Yes |
| 442-297 | EL CENTRO | 6529 | 2016-09-21 | Yes |
| 442-298 | TRONA | 973E | 2016-10-28 | Yes |
| 442-299 | VTVL HSPR | 0051 | 2018-07-31 | — |
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.