SOUTHWESTERN BELL
165 prefixes in 501 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 501-202 | LITTLEROCK | 9533 | — | — |
| 501-206 | HEBER SPG | 9533 | — | Yes |
| 501-207 | SEARCY | 9533 | — | Yes |
| 501-208 | MORRILTON | 9533 | — | Yes |
| 501-210 | LITTLEROCK | 9533 | — | Yes |
| 501-212 | LITTLEROCK | 9533 | — | — |
| 501-217 | LITTLEROCK | 9533 | — | — |
| 501-218 | LITTLEROCK | 9533 | — | Yes |
| 501-219 | LITTLEROCK | 9533 | — | — |
| 501-221 | LITTLEROCK | 9533 | — | — |
| 501-223 | LITTLEROCK | 9533 | — | Yes |
| 501-224 | LITTLEROCK | 9533 | — | — |
| 501-225 | LITTLEROCK | 9533 | — | — |
| 501-227 | LITTLEROCK | 9533 | — | Yes |
| 501-228 | LITTLEROCK | 9533 | — | — |
| 501-244 | LITTLEROCK | 9533 | — | Yes |
| 501-250 | HEBER SPG | 9533 | — | Yes |
| 501-251 | LITTLEROCK | 9533 | 2007-03-08 | Yes |
| 501-257 | LITTLEROCK | 9533 | — | Yes |
| 501-261 | SPRINGLAKE | 9533 | — | Yes |
| 501-262 | HOTSPRINGS | 9533 | — | Yes |
| 501-265 | LITTLEROCK | 9533 | — | Yes |
| 501-268 | SEARCY | 9533 | — | — |
| 501-278 | SEARCY | 9533 | — | Yes |
| 501-279 | SEARCY | 9533 | — | — |
| 501-280 | LITTLEROCK | 9533 | — | — |
| 501-281 | SEARCY | 9533 | — | — |
| 501-296 | LITTLEROCK | 9533 | — | — |
| 501-301 | LITTLEROCK | 9533 | — | Yes |
| 501-303 | BENTON | 9533 | — | Yes |
| 501-305 | SEARCY | 9533 | — | Yes |
| 501-312 | LITTLEROCK | 9533 | — | — |
| 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 |
| 501-321 | HOTSPRINGS | 9533 | — | — |
| 501-324 | LITTLEROCK | 9533 | — | — |
| 501-327 | CONWAY | 9533 | — | — |
| 501-328 | CONWAY | 9533 | — | Yes |
| 501-329 | CONWAY | 9533 | — | — |
| 501-332 | MALVERN | 9533 | — | — |
| 501-336 | CONWAY | 9533 | — | — |
| 501-337 | MALVERN | 9533 | — | Yes |
| 501-340 | LITTLEROCK | 9533 | — | Yes |
| 501-342 | CONWAY | 9533 | — | — |
| 501-354 | MORRILTON | 9533 | — | — |
| 501-362 | HEBER SPG | 9533 | — | — |
| 501-365 | HEBER SPG | 9533 | 2001-05-08 | Yes |
| 501-368 | SEARCY | 9533 | — | 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 |
| 501-396 | LITTLEROCK | 9533 | — | Yes |
| 501-399 | LITTLEROCK | 9533 | — | Yes |
| 501-407 | LITTLEROCK | 9533 | — | Yes |
| 501-433 | LITTLEROCK | 9533 | — | — |
| 501-450 | CONWAY | 9533 | — | — |
| 501-455 | LITTLEROCK | 9533 | — | Yes |
| 501-467 | MALVERN | 9533 | — | Yes |
| 501-470 | CONWAY | 9533 | — | Yes |
| 501-477 | MORRILTON | 9533 | — | Yes |
| 501-490 | LITTLEROCK | 9533 | — | Yes |
| 501-504 | CONWAY | 9533 | — | Yes |
| 501-505 | CONWAY | 9533 | — | Yes |
| 501-513 | CONWAY | 9533 | — | Yes |
| 501-515 | LITTLEROCK | 9533 | — | Yes |
| 501-520 | HOTSPRINGS | 9533 | — | Yes |
| 501-525 | HOTSPRINGS | 9533 | — | — |
| 501-548 | CONWAY | 9533 | 2001-01-18 | Yes |
| 501-557 | BAUXITE | 9533 | — | Yes |
| 501-558 | LITTLEROCK | 9533 | — | Yes |
| 501-562 | LITTLEROCK | 9533 | — | — |
| 501-565 | LITTLEROCK | 9533 | — | — |
| 501-566 | JONESMILLS | 9533 | 2001-05-08 | Yes |
| 501-568 | LITTLEROCK | 9533 | — | Yes |
| 501-569 | LITTLEROCK | 9533 | — | — |
| 501-570 | LITTLEROCK | 9533 | — | Yes |
| 501-594 | PARON | 9533 | — | Yes |
| 501-602 | BAUXITE | 9533 | — | Yes |
| 501-603 | LITTLEROCK | 9533 | — | Yes |
| 501-609 | HOTSPRINGS | 9533 | — | — |
| 501-614 | LITTLEROCK | 9533 | — | Yes |
| 501-615 | LITTLEROCK | 9533 | — | Yes |
| 501-618 | LITTLEROCK | 9533 | — | Yes |
| 501-620 | HOTSPRINGS | 9533 | — | Yes |
| 501-622 | HOTSPRINGS | 9533 | — | — |
| 501-623 | HOTSPRINGS | 9533 | — | — |
| 501-624 | HOTSPRINGS | 9533 | — | — |
| 501-625 | HOTSPRINGS | 9533 | — | Yes |
| 501-627 | HOTSPRINGS | 9533 | — | — |
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.