All assignees
800 prefixes in 512 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 512-300 | AUSTIN | 793K | — | Yes |
| 512-301 | AUSTIN | 9533 | — | Yes |
| 512-302 | AUSTIN | 9533 | — | — |
| 512-303 | BASTROP | 9533 | — | — |
| 512-304 | BASTROP | 9533 | — | — |
| 512-305 | AUSTIN | 516C | — | Yes |
| 512-306 | AUSTIN | 9533 | — | — |
| 512-307 | AUSTIN | 6630 | — | — |
| 512-308 | BASTROP | 9533 | — | Yes |
| 512-309 | TAYLOR | 793K | — | Yes |
| 512-310 | AUSTIN | 9533 | — | — |
| 512-311 | XXXXXXXXXX | MULT | — | — |
| 512-312 | BUDA | 4344 | — | Yes |
| 512-313 | AUSTIN | 7516 | 2006-12-22 | Yes |
| 512-314 | AUSTIN | 9533 | — | Yes |
| 512-315 | AUSTIN | 9533 | — | — |
| 512-316 | GEORGETOWN | 6534 | 2022-05-13 | Yes |
| 512-317 | AUSTIN | 6534 | 2007-02-14 | Yes |
| 512-318 | AUSTIN | 6506 | 2009-04-03 | Yes |
| 512-319 | AUSTIN | 7138 | 2011-10-05 | Yes |
| 512-320 | AUSTIN | 9533 | — | — |
| 512-321 | BASTROP | 9533 | — | — |
| 512-322 | AUSTIN | 9533 | — | — |
| 512-323 | AUSTIN | 9533 | — | — |
| 512-324 | AUSTIN | 9533 | — | — |
| 512-325 | LEANDER | 903C | 2023-07-28 | Yes |
| 512-326 | AUSTIN | 9533 | — | — |
| 512-327 | AUSTIN | 9533 | — | — |
| 512-328 | AUSTIN | 9533 | — | — |
| 512-329 | AUSTIN | 9533 | — | — |
| 512-330 | AUSTIN | 9533 | — | Yes |
| 512-331 | AUSTIN | 9533 | — | — |
| 512-332 | BASTROP | 9533 | — | Yes |
| 512-333 | AUSTIN | 473F | 2010-05-12 | Yes |
| 512-334 | AUSTIN | 7516 | — | Yes |
| 512-335 | AUSTIN | 9533 | — | — |
| 512-336 | AUSTIN | 9533 | — | Yes |
| 512-337 | LEANDER | 516C | 2006-01-16 | Yes |
| 512-338 | AUSTIN | 9533 | — | — |
| 512-339 | AUSTIN | 9533 | — | — |
| 512-340 | AUSTIN | 9533 | — | — |
| 512-341 | AUSTIN | 9533 | — | — |
| 512-342 | AUSTIN | 9533 | — | — |
| 512-343 | AUSTIN | 9533 | — | — |
| 512-344 | AUSTIN | 9533 | — | Yes |
| 512-345 | AUSTIN | 9533 | — | — |
| 512-346 | AUSTIN | 9533 | — | — |
| 512-347 | AUSTIN | 9533 | — | — |
| 512-348 | AUSTIN | 6506 | 2011-05-18 | Yes |
| 512-349 | AUSTIN | 9533 | — | — |
| 512-350 | AUSTIN | 6529 | — | Yes |
| 512-351 | AUSTIN | 6114 | — | Yes |
| 512-352 | TAYLOR | 9533 | — | Yes |
| 512-353 | SAN MARCOS | 2140 | — | — |
| 512-354 | AUSTIN | 6534 | 2009-12-28 | Yes |
| 512-355 | BERTRAM | 2154 | — | Yes |
| 512-356 | AUSTIN | 9533 | — | Yes |
| 512-357 | MARTINDALE | 2154 | — | Yes |
| 512-358 | AUSTIN | 9533 | — | Yes |
| 512-359 | LOCKHART | 7138 | 2010-01-11 | Yes |
| 512-360 | SMITHVILLE | 9533 | — | Yes |
| 512-361 | BUDA | 793K | 2014-10-24 | Yes |
| 512-362 | AUSTIN | 7249 | 2011-06-22 | Yes |
| 512-363 | AUSTIN | 9533 | — | Yes |
| 512-364 | AUSTIN | 6506 | 2007-09-06 | Yes |
| 512-365 | TAYLOR | 9533 | — | Yes |
| 512-366 | AUSTIN | 9533 | — | Yes |
| 512-367 | AUSTIN | 9533 | — | Yes |
| 512-368 | AUSTIN | 6534 | 2010-02-04 | Yes |
| 512-369 | AUSTIN | 9533 | — | Yes |
| 512-370 | AUSTIN | 9533 | — | — |
| 512-371 | AUSTIN | 9533 | — | Yes |
| 512-372 | AUSTIN | 9533 | — | — |
| 512-373 | AUSTIN | 9533 | — | Yes |
| 512-374 | AUSTIN | 9533 | — | — |
| 512-375 | AUSTIN | 6529 | 2013-06-20 | Yes |
| 512-376 | LOCKHART | 9533 | — | Yes |
| 512-377 | AUSTIN | 9533 | — | Yes |
| 512-378 | AUSTIN | 9533 | — | Yes |
| 512-379 | LEANDER | 9533 | — | Yes |
| 512-380 | AUSTIN | 9533 | — | Yes |
| 512-381 | AUSTIN | 671J | — | — |
| 512-382 | AUSTIN | 7138 | — | Yes |
| 512-383 | AUSTIN | 9533 | — | Yes |
| 512-384 | AUSTIN | 7249 | — | Yes |
| 512-385 | AUSTIN | 9533 | — | — |
| 512-386 | AUSTIN | 9533 | — | Yes |
| 512-387 | AUSTIN | 004F | 2013-11-07 | Yes |
| 512-388 | AUSTIN | 9533 | — | — |
| 512-389 | AUSTIN | 9533 | — | — |
| 512-390 | AUSTIN | 9533 | — | — |
| 512-391 | AUSTIN | 9533 | — | Yes |
| 512-392 | SAN MARCOS | 2140 | — | — |
| 512-393 | SAN MARCOS | 2140 | — | Yes |
| 512-394 | AUSTIN | 9533 | — | Yes |
| 512-395 | SAN MARCOS | 2140 | — | Yes |
| 512-396 | SAN MARCOS | 2140 | — | — |
| 512-397 | AUSTIN | 9533 | — | — |
| 512-398 | LOCKHART | 9533 | — | — |
| 512-399 | THORNDTHRL | 177F | 2014-05-27 | 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.