All assignees
475 prefixes in 424 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 424-300 | CMTN GRDN | 649C | — | Yes |
| 424-301 | EL SEGUNDO | 7240 | 2015-02-12 | Yes |
| 424-302 | BEVERLYHLS | 793K | 2013-06-13 | Yes |
| 424-303 | BEVERLYHLS | 6529 | 2015-09-22 | Yes |
| 424-304 | REDONDO | 649C | 2015-12-24 | Yes |
| 424-305 | LOMITA | 6006 | 2016-01-15 | Yes |
| 424-306 | TORRANCE | 649C | 2016-02-24 | Yes |
| 424-307 | HAWTHORNE | 981E | — | Yes |
| 424-308 | SAN PEDRO | 6529 | 2016-04-29 | Yes |
| 424-309 | INGLEWOOD | 649C | 2016-05-11 | Yes |
| 424-310 | HAWTHORNE | 899D | 2017-08-07 | Yes |
| 424-311 | XXXXXXXXXX | MULT | — | — |
| 424-312 | INGLEWOOD | 6010 | 2015-08-14 | Yes |
| 424-313 | BEVERLYHLS | 7240 | 2015-11-13 | Yes |
| 424-314 | BEVERLYHLS | 9740 | 2012-02-14 | Yes |
| 424-315 | BEVERLYHLS | 9740 | 2012-02-14 | Yes |
| 424-316 | SNMN SNMN | 6010 | 2015-08-31 | Yes |
| 424-317 | W ANGELES | 649C | 2016-05-11 | Yes |
| 424-318 | TORRANCE | 7240 | 2016-05-16 | Yes |
| 424-319 | CMTN GRDN | 981E | 2016-06-29 | Yes |
| 424-320 | W ANGELES | 8826 | 2013-10-08 | Yes |
| 424-321 | EL SEGUNDO | 6529 | 2013-06-17 | Yes |
| 424-322 | SNMN SNMN | 8826 | 2013-05-31 | Yes |
| 424-323 | TORRANCE | 6006 | 2017-09-01 | Yes |
| 424-324 | BEVERLYHLS | 6529 | 2014-03-07 | Yes |
| 424-325 | W ANGELES | 373F | 2013-10-01 | Yes |
| 424-326 | CULVERCITY | 649C | — | Yes |
| 424-327 | REDONDO | 394L | — | Yes |
| 424-328 | LOMITA | 508J | 2013-02-04 | Yes |
| 424-329 | CMTN GRDN | 6010 | 2013-08-08 | Yes |
| 424-330 | SNMN SNMN | 8826 | 2015-07-29 | Yes |
| 424-331 | INGLEWOOD | 981E | 2013-04-26 | Yes |
| 424-332 | BEVERLYHLS | 6529 | 2013-05-16 | Yes |
| 424-333 | BEVERLYHLS | 981E | — | Yes |
| 424-334 | AVALON | 8826 | 2013-11-13 | Yes |
| 424-335 | BEVERLYHLS | 6529 | 2013-08-22 | Yes |
| 424-336 | HAWTHORNE | 649C | — | Yes |
| 424-337 | TORRANCE | 7139 | 2013-11-15 | Yes |
| 424-338 | CMTN CMTN | 9740 | 2013-11-26 | Yes |
| 424-339 | SAN PEDRO | 649C | 2015-03-23 | Yes |
| 424-340 | CMTN GRDN | 373F | — | Yes |
| 424-341 | CULVERCITY | 6529 | 2013-12-09 | Yes |
| 424-342 | SAN PEDRO | 8826 | — | Yes |
| 424-343 | BEVERLYHLS | 6010 | 2014-03-14 | Yes |
| 424-344 | CMTN GRDN | 6006 | 2014-09-02 | Yes |
| 424-345 | CULVERCITY | 8826 | 2014-04-04 | Yes |
| 424-346 | MALIBU | 981E | 2014-04-17 | Yes |
| 424-347 | LOMITA | 7229 | 2014-04-11 | Yes |
| 424-348 | HAWTHORNE | 8826 | 2014-05-02 | Yes |
| 424-349 | CMTN CMTN | 649C | 2015-04-06 | Yes |
| 424-350 | REDONDO | 6010 | 2015-08-27 | Yes |
| 424-351 | INGLEWOOD | 8826 | 2014-07-14 | Yes |
| 424-352 | REDONDO | 981E | 2014-05-22 | Yes |
| 424-353 | SNMN MRVS | 793K | 2014-04-28 | Yes |
| 424-354 | BEVERLYHLS | 8826 | — | Yes |
| 424-355 | BEVERLYHLS | 8826 | 2014-10-03 | Yes |
| 424-356 | INGLEWOOD | 6010 | 2014-07-07 | Yes |
| 424-357 | BEVERLYHLS | 7139 | 2014-08-08 | Yes |
| 424-358 | TORRANCE | 6010 | 2014-08-21 | Yes |
| 424-359 | BEVERLYHLS | 7240 | 2015-04-10 | Yes |
| 424-360 | TORRANCE | 6006 | — | Yes |
| 424-361 | CULVERCITY | 516C | 2014-09-09 | Yes |
| 424-362 | BEVERLYHLS | 6529 | 2014-08-21 | Yes |
| 424-363 | BEVERLYHLS | 7139 | 2014-09-09 | Yes |
| 424-364 | SAN PEDRO | 6529 | 2014-09-15 | Yes |
| 424-365 | W ANGELES | 649C | 2014-05-02 | Yes |
| 424-366 | CMTN CMTN | 6529 | 2016-06-28 | Yes |
| 424-367 | EL SEGUNDO | 8826 | 2014-09-19 | Yes |
| 424-368 | SAN PEDRO | 649C | — | Yes |
| 424-369 | W ANGELES | 6006 | 2015-04-13 | Yes |
| 424-370 | CMTN CMTN | 6010 | 2015-12-01 | Yes |
| 424-371 | W ANGELES | 8826 | 2014-09-24 | Yes |
| 424-372 | W ANGELES | 8826 | 2014-10-01 | Yes |
| 424-373 | CMTN CMTN | 6529 | 2014-09-30 | Yes |
| 424-374 | HAWTHORNE | 6010 | 2014-10-08 | Yes |
| 424-375 | CMTN GRDN | 649C | — | Yes |
| 424-376 | TORRANCE | 6529 | 2014-10-17 | Yes |
| 424-377 | AVALON | 649C | 2016-02-29 | Yes |
| 424-378 | LOMITA | 649C | — | Yes |
| 424-379 | CMTN CMTN | 6010 | 2015-07-06 | Yes |
| 424-380 | INGLEWOOD | 649C | 2016-07-18 | Yes |
| 424-381 | CMTN CMTN | 6529 | 2014-12-15 | Yes |
| 424-382 | BEVERLYHLS | 6529 | — | Yes |
| 424-383 | REDONDO | 6006 | 2014-11-10 | Yes |
| 424-384 | SNMN MRVS | 7139 | 2015-01-16 | Yes |
| 424-385 | CULVERCITY | 6529 | 2015-01-20 | Yes |
| 424-386 | BEVERLYHLS | 6529 | 2015-02-24 | Yes |
| 424-387 | SNMN SNMN | 6529 | 2015-01-23 | Yes |
| 424-388 | MALIBU | 7240 | 2016-06-01 | Yes |
| 424-389 | BEVERLYHLS | 981E | 2015-07-24 | Yes |
| 424-390 | REDONDO | 6529 | 2016-08-29 | Yes |
| 424-391 | HAWTHORNE | 6529 | 2015-03-09 | Yes |
| 424-392 | REDONDO | 6529 | 2014-11-10 | Yes |
| 424-393 | INGLEWOOD | 6529 | 2014-12-30 | Yes |
| 424-394 | BEVERLYHLS | 981E | 2015-03-25 | Yes |
| 424-395 | MALIBU | 6529 | 2015-02-24 | Yes |
| 424-396 | CMTN GRDN | 6529 | 2015-03-09 | Yes |
| 424-397 | EL SEGUNDO | 373F | 2015-04-10 | Yes |
| 424-398 | REDONDO | 793K | 2015-06-03 | Yes |
| 424-399 | TORRANCE | 373F | 2016-11-21 | 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.