All assignees
652 prefixes in 501 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 501-400 | LITTLEROCK | 829J | 2011-03-24 | Yes |
| 501-401 | LITTLEROCK | 197D | — | Yes |
| 501-402 | GREENBRIER | 1691 | 2011-11-14 | Yes |
| 501-403 | BENTON | 6529 | 2020-03-31 | Yes |
| 501-404 | LITTLEROCK | 551G | 2012-11-01 | Yes |
| 501-405 | LITTLEROCK | 9748 | — | — |
| 501-406 | LITTLEROCK | 578H | 2015-09-17 | Yes |
| 501-407 | LITTLEROCK | 9533 | — | Yes |
| 501-408 | BENTON | 5179 | 2012-04-17 | Yes |
| 501-409 | BENTON | 6529 | 2020-03-31 | Yes |
| 501-410 | LITTLEROCK | 6534 | 2008-01-28 | Yes |
| 501-411 | XXXXXXXXXX | MULT | — | — |
| 501-412 | LITTLEROCK | 6534 | — | — |
| 501-413 | LITTLEROCK | 6534 | — | Yes |
| 501-414 | LITTLEROCK | 318J | 2007-09-14 | Yes |
| 501-415 | LONOKE | 6529 | 2014-03-28 | Yes |
| 501-416 | LITTLEROCK | 6534 | — | — |
| 501-417 | JUDSONIA | 5179 | 2015-06-24 | Yes |
| 501-418 | HOTSPRINGS | 6534 | 2020-04-08 | Yes |
| 501-419 | ROSE BUD | 508J | 2015-01-21 | Yes |
| 501-420 | LITTLEROCK | 6529 | 2012-11-01 | Yes |
| 501-421 | LITTLEROCK | 5179 | — | — |
| 501-422 | CABOT | 6805 | 2010-02-16 | Yes |
| 501-423 | LITTLEROCK | 5179 | — | — |
| 501-424 | CABOT | 6534 | 2016-03-28 | Yes |
| 501-425 | LITTLEROCK | 6534 | — | — |
| 501-426 | CONWAY | 6805 | 2020-04-27 | Yes |
| 501-427 | MAUMELLE | 802C | 2020-06-15 | Yes |
| 501-428 | CONWAY | 6805 | 2002-04-09 | Yes |
| 501-429 | HEBER SPG | 5179 | 2002-05-06 | Yes |
| 501-430 | BENTON | 6805 | 2020-06-24 | Yes |
| 501-431 | HOTSPRINGS | 6534 | 2020-07-08 | Yes |
| 501-432 | NIMROD | 1691 | — | Yes |
| 501-433 | LITTLEROCK | 9533 | — | — |
| 501-434 | MCRAE | 6805 | 2005-12-30 | Yes |
| 501-435 | LITTLEROCK | 6529 | 2016-08-18 | Yes |
| 501-436 | SYVNHLSHWD | 5179 | 2002-05-06 | Yes |
| 501-437 | LONOKE | 196F | 2020-07-15 | Yes |
| 501-438 | LONOKE | 5179 | 2002-05-06 | Yes |
| 501-439 | ENGLAND | 6805 | 2020-09-03 | Yes |
| 501-440 | SO FOURCHE | 1691 | — | Yes |
| 501-441 | LITTLEROCK | 478J | 2020-09-17 | Yes |
| 501-442 | LITTLEROCK | 6529 | 2004-01-27 | Yes |
| 501-443 | BENTON | 6529 | 2016-08-18 | Yes |
| 501-444 | LITTLEROCK | 6529 | 2011-08-02 | Yes |
| 501-445 | HOTSPRINGS | 6534 | 2020-10-05 | Yes |
| 501-446 | CABOT | 318J | 2021-09-08 | Yes |
| 501-447 | LITTLEROCK | 7656 | 2001-12-05 | — |
| 501-448 | FERNDALE | 7656 | — | Yes |
| 501-449 | CABOT | 6529 | 2021-01-13 | Yes |
| 501-450 | CONWAY | 9533 | — | — |
| 501-451 | LITTLEROCK | 515J | 2021-03-04 | Yes |
| 501-452 | MORRILTON | 495J | 2021-03-16 | Yes |
| 501-453 | JACKSONVL | 128L | 2021-05-20 | Yes |
| 501-454 | LITTLEROCK | 6534 | — | — |
| 501-455 | LITTLEROCK | 9533 | — | Yes |
| 501-456 | JUDSONIA | 5179 | 2006-05-23 | Yes |
| 501-457 | JACKSONVL | 7656 | — | Yes |
| 501-458 | MALVERN | 5179 | 2002-05-13 | Yes |
| 501-459 | CONWAY | 495J | 2021-06-02 | Yes |
| 501-460 | GREENBRIER | 348F | 2021-07-14 | Yes |
| 501-461 | BAUXITE | 624H | 2021-06-07 | Yes |
| 501-462 | SEARCY | 348F | 2021-06-04 | Yes |
| 501-463 | HOTSPRINGS | 5179 | — | Yes |
| 501-464 | BALD KNOB | 348F | 2021-01-11 | Yes |
| 501-465 | CONWAY | 9748 | — | — |
| 501-466 | COY | 348F | 2020-11-20 | Yes |
| 501-467 | MALVERN | 9533 | — | Yes |
| 501-468 | CLEVELAND | 348F | 2021-06-23 | Yes |
| 501-469 | BIGELOW | 624H | — | Yes |
| 501-470 | CONWAY | 9533 | — | Yes |
| 501-471 | FERNDALE | 6534 | 2021-10-04 | Yes |
| 501-472 | CONWAY | 6534 | — | — |
| 501-473 | SEARCY | 6529 | 2001-08-20 | Yes |
| 501-474 | MCRAE | 348F | 2020-11-20 | Yes |
| 501-475 | SPRINGLAKE | 7656 | — | Yes |
| 501-476 | LITTLEROCK | 348F | 2008-01-03 | Yes |
| 501-477 | MORRILTON | 9533 | — | Yes |
| 501-478 | LITTLEROCK | 6534 | 2015-02-26 | Yes |
| 501-480 | LITTLEROCK | 732J | 2022-09-21 | Yes |
| 501-481 | BRYANTCGVL | 7264 | — | Yes |
| 501-482 | FERNDALE | 7264 | — | Yes |
| 501-483 | PALARM | 7264 | — | Yes |
| 501-484 | SPRINGLAKE | 348F | 2021-06-23 | Yes |
| 501-485 | PINNACLE | 7264 | — | Yes |
| 501-486 | SPRINGLAKE | 7264 | — | Yes |
| 501-487 | SYVNHLSHWD | 7264 | — | Yes |
| 501-488 | BRADFORD | 624H | 2021-06-07 | Yes |
| 501-489 | MALVERN | 6529 | 2021-10-11 | Yes |
| 501-490 | LITTLEROCK | 9533 | — | Yes |
| 501-491 | BEEBE | 196F | 2021-11-09 | Yes |
| 501-492 | LITTLEROCK | 802C | — | Yes |
| 501-493 | CRYSTALSPG | 348F | 2021-06-23 | Yes |
| 501-494 | JESSIEVL | 348F | 2021-06-23 | Yes |
| 501-495 | LONSDALE | 348F | 2021-06-23 | Yes |
| 501-496 | REDFIELD | 348F | 2021-07-02 | Yes |
| 501-497 | CONWAY | 348F | 2021-10-04 | Yes |
| 501-498 | LITTLEROCK | 490J | 2021-12-08 | Yes |
| 501-499 | CONWAY | 6534 | 2002-06-20 | Yes |
| 501-500 | LITTLEROCK | 348F | 2017-09-28 | 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.