All assignees
652 prefixes in 501 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 501-300 | BRADFORD | 348F | 2018-09-21 | Yes |
| 501-301 | LITTLEROCK | 9533 | — | Yes |
| 501-302 | HEBER SPG | 802C | 2010-01-18 | Yes |
| 501-303 | BENTON | 9533 | — | Yes |
| 501-304 | MALVERN | 6805 | 2002-04-08 | Yes |
| 501-305 | SEARCY | 9533 | — | Yes |
| 501-306 | QUITMAN | 6534 | 2009-11-18 | Yes |
| 501-307 | LITTLEROCK | 348F | — | Yes |
| 501-308 | LITTLEROCK | 6529 | 2011-10-06 | Yes |
| 501-309 | LITTLEROCK | 624H | — | Yes |
| 501-310 | LITTLEROCK | 6529 | — | Yes |
| 501-311 | XXXXXXXXXX | MULT | — | — |
| 501-312 | LITTLEROCK | 9533 | — | — |
| 501-313 | LITTLEROCK | 318J | 2011-10-20 | Yes |
| 501-314 | GREENBRIER | 6534 | 2008-07-18 | Yes |
| 501-315 | BENTON | 9533 | — | Yes |
| 501-316 | BENTON | 9533 | — | Yes |
| 501-317 | BENTON | 9533 | — | Yes |
| 501-318 | HOTSPRINGS | 9533 | — | Yes |
| 501-319 | LITTLEROCK | 9533 | — | Yes |
| 501-320 | LITTLEROCK | 7656 | — | — |
| 501-321 | HOTSPRINGS | 9533 | — | — |
| 501-322 | KENSETT | 6805 | 2006-06-15 | Yes |
| 501-323 | GRIFFITHVL | 1144 | — | Yes |
| 501-324 | LITTLEROCK | 9533 | — | — |
| 501-325 | LITTLEROCK | 5179 | — | Yes |
| 501-326 | BENTON | 6805 | 2002-04-08 | Yes |
| 501-327 | CONWAY | 9533 | — | — |
| 501-328 | CONWAY | 9533 | — | Yes |
| 501-329 | CONWAY | 9533 | — | — |
| 501-330 | WYE | 1691 | — | Yes |
| 501-331 | PERRYVILLE | 1691 | 2011-11-14 | Yes |
| 501-332 | MALVERN | 9533 | — | — |
| 501-333 | MAUMELLE | 1691 | — | Yes |
| 501-334 | SEARCY | 9748 | — | — |
| 501-335 | DAMASCUS | 1691 | — | Yes |
| 501-336 | CONWAY | 9533 | — | — |
| 501-337 | MALVERN | 9533 | — | Yes |
| 501-338 | BISMARCK | 5179 | 2019-03-28 | Yes |
| 501-339 | CONWAY | 6534 | 2001-05-08 | Yes |
| 501-340 | LITTLEROCK | 9533 | — | Yes |
| 501-341 | XXXXXXXXXX | MULT | — | — |
| 501-342 | CONWAY | 9533 | — | — |
| 501-343 | LITTLEROCK | 624H | — | Yes |
| 501-344 | BRADFORD | 1144 | — | Yes |
| 501-345 | PLEASANTPL | 1142 | — | Yes |
| 501-346 | LITTLEROCK | 6529 | — | Yes |
| 501-347 | LITTLEROCK | 624H | — | Yes |
| 501-348 | LITTLEROCK | 6529 | — | Yes |
| 501-349 | LITTLEROCK | 6529 | — | Yes |
| 501-350 | LITTLEROCK | 6805 | — | — |
| 501-351 | LITTLEROCK | 6805 | — | — |
| 501-352 | LITTLEROCK | 6534 | — | — |
| 501-353 | LITTLEROCK | 318J | 2005-10-27 | Yes |
| 501-354 | MORRILTON | 9533 | — | — |
| 501-355 | LITTLEROCK | 7264 | — | Yes |
| 501-356 | JESSIEVL | 425J | 2019-03-28 | Yes |
| 501-357 | DONALDSON | 5179 | 2019-03-28 | Yes |
| 501-358 | CONWAY | 5179 | — | Yes |
| 501-359 | HOTSPRINGS | 128L | — | Yes |
| 501-360 | LITTLEROCK | 9748 | — | — |
| 501-361 | BRYANTCGVL | 802C | 2019-06-11 | Yes |
| 501-362 | HEBER SPG | 9533 | — | — |
| 501-363 | HOTSPRINGS | 802C | 2019-06-12 | Yes |
| 501-364 | LITTLEROCK | 7656 | — | — |
| 501-365 | HEBER SPG | 9533 | 2001-05-08 | Yes |
| 501-366 | LITTLEROCK | 6805 | 2005-03-17 | Yes |
| 501-367 | PINNACLE | 7656 | — | Yes |
| 501-368 | SEARCY | 9533 | — | Yes |
| 501-369 | LITTLEROCK | 114J | 2019-08-05 | Yes |
| 501-370 | LITTLEROCK | 9533 | — | — |
| 501-371 | LITTLEROCK | 9533 | — | — |
| 501-372 | LITTLEROCK | 9533 | — | — |
| 501-373 | LITTLEROCK | 9533 | — | — |
| 501-374 | LITTLEROCK | 9533 | — | — |
| 501-375 | LITTLEROCK | 9533 | — | Yes |
| 501-376 | LITTLEROCK | 9533 | — | — |
| 501-377 | LITTLEROCK | 9533 | — | Yes |
| 501-378 | LITTLEROCK | 9533 | — | — |
| 501-379 | LITTLEROCK | 9533 | — | Yes |
| 501-380 | SEARCY | 9533 | — | Yes |
| 501-381 | BENTON | 6805 | 2019-09-18 | Yes |
| 501-382 | LONSDALE | 348F | 2019-10-14 | Yes |
| 501-383 | SEARCY | 196F | 2024-10-16 | Yes |
| 501-384 | DONALDSON | 1697 | — | — |
| 501-385 | HOTSPRINGS | 6534 | 2020-01-24 | Yes |
| 501-386 | CENTER RDG | 5179 | 2001-05-08 | Yes |
| 501-387 | BEEBE | 196F | 2020-01-30 | Yes |
| 501-388 | SEARCY | 6805 | 2005-12-14 | Yes |
| 501-389 | SEARCY | 196F | 2020-01-30 | Yes |
| 501-390 | LITTLEROCK | 9748 | — | — |
| 501-391 | PERRYVILLE | 1691 | 2001-06-25 | Yes |
| 501-392 | SYVNHLSHWD | 7656 | — | Yes |
| 501-393 | PANGBURN | 196F | 2020-02-21 | Yes |
| 501-394 | CABOT | 6534 | 2020-03-24 | Yes |
| 501-395 | LITTLEROCK | 9748 | — | — |
| 501-396 | LITTLEROCK | 9533 | — | Yes |
| 501-397 | REDFIELD | 1720 | — | Yes |
| 501-398 | LITTLEROCK | 6534 | 2002-02-15 | — |
| 501-399 | LITTLEROCK | 9533 | — | 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.