SOUTHWESTERN BELL
157 prefixes in 580 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 580-208 | IDABEL | 9533 | — | Yes |
| 580-213 | ENID | 9533 | — | — |
| 580-220 | ARDMORE | 9533 | — | Yes |
| 580-221 | ARDMORE | 9533 | — | — |
| 580-223 | ARDMORE | 9533 | — | — |
| 580-224 | ARDMORE | 9533 | — | Yes |
| 580-225 | ELK CITY | 9533 | — | Yes |
| 580-226 | ARDMORE | 9533 | — | — |
| 580-227 | FAIRVIEW | 9533 | — | Yes |
| 580-228 | WAURIKA | 9533 | — | Yes |
| 580-229 | HEALDTON | 9533 | — | Yes |
| 580-233 | ENID | 9533 | — | — |
| 580-234 | ENID | 9533 | — | — |
| 580-235 | ADA | 9533 | 2002-06-29 | Yes |
| 580-237 | ENID | 9533 | — | — |
| 580-242 | ENID | 9533 | — | Yes |
| 580-243 | ELK CITY | 9533 | — | Yes |
| 580-245 | IDABEL | 9533 | — | Yes |
| 580-246 | INDIAHOMA | 9533 | — | Yes |
| 580-248 | LAWTON | 9533 | — | — |
| 580-249 | ENID | 9533 | — | — |
| 580-250 | LAWTON | 9533 | — | — |
| 580-251 | DUNCAN | 9533 | — | Yes |
| 580-252 | DUNCAN | 9533 | — | Yes |
| 580-254 | WOODWARD | 9533 | — | Yes |
| 580-255 | DUNCAN | 9533 | — | — |
| 580-256 | WOODWARD | 9533 | — | — |
| 580-268 | MARLAND | 9533 | — | Yes |
| 580-272 | ADA | 9533 | — | Yes |
| 580-276 | MARIETTA | 9533 | — | Yes |
| 580-286 | IDABEL | 9533 | — | — |
| 580-298 | ANTLERS | 9533 | — | Yes |
| 580-303 | ELK CITY | 9533 | — | Yes |
| 580-304 | PONCA CITY | 9533 | 2001-06-19 | Yes |
| 580-310 | ADA | 9533 | — | Yes |
| 580-317 | HUGO | 9533 | — | Yes |
| 580-319 | ARDMORE | 9533 | 2001-03-23 | Yes |
| 580-323 | CLINTON | 9533 | — | — |
| 580-326 | HUGO | 9533 | — | — |
| 580-327 | ALVA | 9533 | — | Yes |
| 580-331 | CLINTON | 9533 | — | Yes |
| 580-332 | ADA | 9533 | — | — |
| 580-336 | PERRY | 9533 | — | Yes |
| 580-337 | BESSIE | 9533 | — | Yes |
| 580-345 | SOPER | 9533 | — | Yes |
| 580-351 | LAWTON | 9533 | — | Yes |
| 580-353 | LAWTON | 9533 | — | Yes |
| 580-354 | LAWTON | 9533 | — | Yes |
| 580-355 | LAWTON | 9533 | — | — |
| 580-357 | LAWTON | 9533 | — | — |
| 580-362 | NEWKIRK | 9533 | — | Yes |
| 580-363 | BLACKWELL | 9533 | — | — |
| 580-364 | ATOKA | 9533 | — | Yes |
| 580-367 | CADDO | 9533 | — | Yes |
| 580-369 | DAVIS | 9533 | — | Yes |
| 580-371 | TISHOMINGO | 9533 | — | Yes |
| 580-373 | BESSIE | 9533 | 2001-03-22 | Yes |
| 580-376 | IDABEL | 9533 | 2001-03-22 | Yes |
| 580-377 | WOODWARD | 9533 | 2001-03-22 | Yes |
| 580-378 | ATOKA | 9533 | 2001-03-22 | Yes |
| 580-379 | ALTUS | 9533 | — | Yes |
| 580-395 | MEDFORD | 9533 | — | Yes |
| 580-421 | ADA | 9533 | — | Yes |
| 580-429 | CACHE | 9533 | — | Yes |
| 580-430 | ALVA | 9533 | — | Yes |
| 580-436 | ADA | 9533 | — | — |
| 580-442 | LAWTON | 9533 | — | — |
| 580-446 | BRECKENRDG | 9533 | — | Yes |
| 580-448 | SARKNSASCY | 9533 | — | Yes |
| 580-456 | ROFF | 9533 | — | Yes |
| 580-458 | LAWTON | 9533 | — | Yes |
| 580-460 | LAWTON | 9533 | — | — |
| 580-470 | DUNCAN | 9533 | — | Yes |
| 580-475 | DUNCAN | 9533 | — | Yes |
| 580-476 | RUSH SPG | 9533 | — | Yes |
| 580-477 | ALTUS | 9533 | — | — |
| 580-480 | ALTUS | 9533 | — | Yes |
| 580-481 | ALTUS | 9533 | — | Yes |
| 580-482 | ALTUS | 9533 | — | Yes |
| 580-483 | LAWTON | 9533 | — | Yes |
| 580-490 | ARDMORE | 9533 | — | Yes |
| 580-510 | LAWTON | 9533 | — | Yes |
| 580-531 | LAWTON | 9533 | — | — |
| 580-535 | GRANITE | 9533 | — | Yes |
| 580-536 | LAWTON | 9533 | — | — |
| 580-540 | ENID | 9533 | — | Yes |
| 580-547 | CLINTON | 9533 | — | Yes |
| 580-548 | ENID | 9533 | — | Yes |
| 580-558 | LAWTON | 9533 | 2009-02-06 | Yes |
| 580-559 | ADA | 9533 | 2001-06-19 | Yes |
| 580-563 | BLAIR | 9533 | — | Yes |
| 580-564 | KINGSTON | 9533 | — | Yes |
| 580-566 | BOSWELL | 9533 | — | Yes |
| 580-571 | WOODWARD | 9533 | — | Yes |
| 580-572 | PERRY | 9533 | — | Yes |
| 580-581 | LAWTON | 9533 | — | Yes |
| 580-585 | LAWTON | 9533 | — | Yes |
| 580-587 | RATTAN | 9533 | — | Yes |
| 580-589 | SO COLDWTR | 9533 | — | Yes |
| 580-591 | LAWTON | 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.