All assignees
475 prefixes in 424 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 424-200 | HAWTHORNE | 6006 | 2007-02-21 | Yes |
| 424-201 | TORRANCE | 8826 | 2006-11-15 | Yes |
| 424-202 | BEVERLYHLS | 6006 | 2006-10-25 | Yes |
| 424-203 | LOMITA | 7229 | 2006-11-30 | Yes |
| 424-204 | BEVERLYHLS | 7229 | 2006-11-30 | Yes |
| 424-205 | CMTN GRDN | 7229 | 2006-11-30 | Yes |
| 424-206 | REDONDO | 8826 | 2006-12-02 | Yes |
| 424-207 | INGLEWOOD | 899D | 2006-12-11 | Yes |
| 424-208 | W ANGELES | 6529 | 2006-12-04 | Yes |
| 424-209 | CULVERCITY | 981E | 2007-01-08 | Yes |
| 424-210 | SAN PEDRO | 6529 | 2006-12-18 | Yes |
| 424-211 | XXXXXXXXXX | MULT | — | — |
| 424-212 | REDONDO | 6529 | 2006-12-15 | Yes |
| 424-213 | CMTN CMTN | 6529 | 2006-12-21 | Yes |
| 424-214 | SNMN SNMN | 899D | 2007-01-24 | Yes |
| 424-215 | SAN PEDRO | 6529 | 2007-01-25 | Yes |
| 424-216 | SNMN MRVS | 6529 | 2007-02-15 | Yes |
| 424-217 | EL SEGUNDO | 6529 | 2007-02-24 | Yes |
| 424-218 | EL SEGUNDO | 671J | 2007-03-08 | Yes |
| 424-219 | CMTN GRDN | 899D | 2007-03-13 | Yes |
| 424-220 | EL SEGUNDO | 373F | — | Yes |
| 424-221 | CMTN GRDN | 899D | 2007-03-19 | Yes |
| 424-222 | LOMITA | 899D | 2007-03-20 | Yes |
| 424-223 | INGLEWOOD | 899D | 2007-03-20 | Yes |
| 424-224 | SAN PEDRO | 899D | 2007-03-21 | Yes |
| 424-225 | EL SEGUNDO | 6010 | 2007-03-28 | Yes |
| 424-226 | AVALON | 7229 | 2007-04-22 | Yes |
| 424-227 | INGLEWOOD | 6006 | 2006-06-16 | Yes |
| 424-228 | SNMN MRVS | 899D | 2007-05-07 | Yes |
| 424-229 | SNMN SNMN | 899D | 2007-05-09 | Yes |
| 424-230 | BEVERLYHLS | 6529 | 2007-08-23 | Yes |
| 424-231 | SNMN SNMN | 8826 | 2010-06-04 | Yes |
| 424-232 | CMTN GRDN | 6529 | 2007-08-24 | Yes |
| 424-233 | CMTN GRDN | 899D | 2007-08-24 | Yes |
| 424-234 | MALIBU | 6006 | 2007-09-15 | Yes |
| 424-235 | MALIBU | 899D | 2007-09-18 | Yes |
| 424-236 | HAWTHORNE | 6010 | 2007-09-24 | Yes |
| 424-237 | REDONDO | 899D | 2009-01-19 | Yes |
| 424-238 | SNMN SNMN | 2319 | 2007-11-07 | Yes |
| 424-239 | BEVERLYHLS | 649C | — | Yes |
| 424-240 | HAWTHORNE | 899D | 2008-02-22 | Yes |
| 424-241 | REDONDO | 829J | 2008-03-13 | Yes |
| 424-242 | CMTN CMTN | 8826 | 2008-04-02 | Yes |
| 424-243 | INGLEWOOD | 8826 | 2008-04-25 | Yes |
| 424-244 | CMTN GRDN | 671J | 2008-09-10 | Yes |
| 424-245 | BEVERLYHLS | 7229 | 2008-09-26 | Yes |
| 424-246 | CMTN GRDN | 899D | — | Yes |
| 424-247 | REDONDO | 793K | — | Yes |
| 424-248 | W ANGELES | 7229 | 2008-11-06 | Yes |
| 424-249 | BEVERLYHLS | 899D | 2009-02-23 | Yes |
| 424-250 | LOMITA | 649C | — | Yes |
| 424-251 | LOMITA | 6006 | 2009-05-07 | Yes |
| 424-252 | SNMN SNMN | 829J | — | Yes |
| 424-253 | BEVERLYHLS | 7229 | 2009-10-26 | Yes |
| 424-254 | REDONDO | 7229 | 2010-03-12 | Yes |
| 424-255 | HAWTHORNE | 6006 | 2010-04-09 | Yes |
| 424-256 | W ANGELES | 981E | 2010-06-14 | Yes |
| 424-257 | REDONDO | 981E | 2010-10-11 | Yes |
| 424-258 | CULVERCITY | 829J | 2008-05-28 | Yes |
| 424-259 | SNMN SNMN | 829J | 2009-05-20 | Yes |
| 424-260 | CMTN GRDN | 981E | 2010-07-20 | Yes |
| 424-261 | INGLEWOOD | 981E | 2010-07-20 | Yes |
| 424-262 | REDONDO | 981E | 2010-07-20 | Yes |
| 424-263 | LOMITA | 516C | — | Yes |
| 424-264 | SAN PEDRO | 516C | 2006-03-23 | Yes |
| 424-265 | REDONDO | 981E | 2010-07-20 | Yes |
| 424-266 | CMTN GRDN | 981E | 2010-07-20 | Yes |
| 424-267 | SAN PEDRO | 7229 | 2010-11-19 | Yes |
| 424-268 | SNMN SNMN | 8826 | 2010-11-22 | Yes |
| 424-269 | HAWTHORNE | 8826 | 2010-11-23 | Yes |
| 424-270 | W ANGELES | 8826 | 2006-12-13 | Yes |
| 424-271 | TORRANCE | 8826 | 2010-12-16 | Yes |
| 424-272 | SNMN SNMN | 7139 | 2011-02-25 | Yes |
| 424-273 | W ANGELES | 6006 | 2011-04-20 | Yes |
| 424-274 | BEVERLYHLS | 981E | 2011-04-15 | Yes |
| 424-275 | REDONDO | 8826 | 2011-05-09 | Yes |
| 424-276 | W ANGELES | 981E | 2011-06-29 | Yes |
| 424-277 | EL SEGUNDO | 8826 | 2011-07-15 | Yes |
| 424-278 | BEVERLYHLS | 6010 | 2011-07-18 | Yes |
| 424-279 | BEVERLYHLS | 649C | — | Yes |
| 424-280 | SNMN SNMN | 6006 | 2011-09-13 | Yes |
| 424-281 | BEVERLYHLS | 981E | 2011-07-20 | Yes |
| 424-282 | REDONDO | 649C | — | Yes |
| 424-283 | BEVERLYHLS | 373F | 2012-06-07 | Yes |
| 424-284 | BEVERLYHLS | 649C | 2012-10-19 | Yes |
| 424-285 | BEVERLYHLS | 8826 | 2012-11-02 | Yes |
| 424-286 | CMTN GRDN | 8826 | 2011-08-30 | Yes |
| 424-287 | SAN PEDRO | 6529 | 2012-12-14 | Yes |
| 424-288 | BEVERLYHLS | 9740 | 2006-10-27 | Yes |
| 424-289 | SNMN MRVS | 671J | 2012-12-17 | Yes |
| 424-290 | EL SEGUNDO | 981E | 2013-01-04 | Yes |
| 424-291 | SNMN SNMN | 508J | 2013-02-04 | Yes |
| 424-292 | CMTN GRDN | 508J | 2013-02-04 | Yes |
| 424-293 | W ANGELES | 8826 | 2013-02-11 | Yes |
| 424-294 | HAWTHORNE | 8826 | 2006-10-18 | Yes |
| 424-295 | CMTN GRDN | 899D | 2013-02-15 | Yes |
| 424-296 | CMTN CMTN | 8826 | 2013-04-01 | Yes |
| 424-297 | HAWTHORNE | 508J | 2013-02-04 | Yes |
| 424-298 | CULVERCITY | 6010 | — | Yes |
| 424-299 | SNMN SNMN | 6529 | 2013-06-26 | 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.