All assignees
800 prefixes in 512 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 512-400 | BUDA | 6529 | — | Yes |
| 512-401 | AUSTIN | 9533 | — | Yes |
| 512-402 | AUSTIN | 9533 | — | Yes |
| 512-403 | AUSTIN | 9533 | — | — |
| 512-404 | AUSTIN | 9533 | — | — |
| 512-405 | KYLE | 4344 | — | — |
| 512-406 | AUSTIN | 9533 | — | Yes |
| 512-407 | AUSTIN | 9533 | — | — |
| 512-408 | SAN MARCOS | 2140 | — | — |
| 512-409 | BASTROP | 508J | 2015-02-17 | Yes |
| 512-410 | AUSTIN | 6506 | 2008-01-07 | Yes |
| 512-411 | XXXXXXXXXX | MULT | — | — |
| 512-412 | BASTROP | 7138 | 2009-01-05 | Yes |
| 512-413 | AUSTIN | 6534 | — | — |
| 512-414 | AUSTIN | 9533 | — | — |
| 512-415 | AUSTIN | 6534 | — | — |
| 512-416 | AUSTIN | 9533 | — | Yes |
| 512-417 | AUSTIN | 6506 | — | Yes |
| 512-418 | AUSTIN | 9533 | — | Yes |
| 512-419 | AUSTIN | 9533 | — | Yes |
| 512-420 | AUSTIN | 9533 | — | Yes |
| 512-421 | AUSTIN | 9533 | — | — |
| 512-422 | AUSTIN | 6534 | — | — |
| 512-423 | AUSTIN | 6534 | — | — |
| 512-424 | AUSTIN | 9533 | — | Yes |
| 512-425 | AUSTIN | 9533 | — | Yes |
| 512-426 | AUSTIN | 6534 | — | — |
| 512-427 | AUSTIN | 9533 | — | — |
| 512-428 | AUSTIN | 9533 | — | Yes |
| 512-429 | ROCKDALE | 6506 | — | Yes |
| 512-430 | ROCKDALE | 9533 | — | Yes |
| 512-431 | AUSTIN | 6534 | — | — |
| 512-432 | AUSTIN | 9533 | — | Yes |
| 512-433 | AUSTIN | 9533 | — | Yes |
| 512-434 | AUSTIN | 9533 | — | Yes |
| 512-435 | AUSTIN | 9533 | — | Yes |
| 512-436 | AUSTIN | 9533 | — | Yes |
| 512-437 | AUSTIN | 9533 | — | Yes |
| 512-438 | AUSTIN | 9533 | — | Yes |
| 512-439 | AUSTIN | 7516 | — | Yes |
| 512-440 | AUSTIN | 9533 | — | — |
| 512-441 | AUSTIN | 9533 | — | — |
| 512-442 | AUSTIN | 9533 | — | — |
| 512-443 | AUSTIN | 9533 | — | — |
| 512-444 | AUSTIN | 9533 | — | — |
| 512-445 | AUSTIN | 9533 | — | — |
| 512-446 | ROCKDALE | 9533 | — | Yes |
| 512-447 | AUSTIN | 9533 | — | — |
| 512-448 | AUSTIN | 9533 | — | — |
| 512-449 | KYLE | 4344 | — | — |
| 512-450 | AUSTIN | 9533 | — | Yes |
| 512-451 | AUSTIN | 9533 | — | — |
| 512-452 | AUSTIN | 9533 | — | — |
| 512-453 | AUSTIN | 9533 | — | — |
| 512-454 | AUSTIN | 9533 | — | — |
| 512-455 | MILANO | 2114 | — | Yes |
| 512-456 | LEANDER | 6114 | — | Yes |
| 512-457 | AUSTIN | 9533 | — | Yes |
| 512-458 | AUSTIN | 9533 | — | Yes |
| 512-459 | AUSTIN | 9533 | — | — |
| 512-460 | AUSTIN | 9533 | — | Yes |
| 512-461 | AUSTIN | 6534 | — | — |
| 512-462 | AUSTIN | 9533 | — | — |
| 512-463 | AUSTIN | 9533 | — | — |
| 512-464 | AUSTIN | 9533 | — | Yes |
| 512-465 | AUSTIN | 9533 | — | Yes |
| 512-466 | AUSTIN | 6534 | — | Yes |
| 512-467 | AUSTIN | 9533 | — | Yes |
| 512-468 | AUSTIN | 6534 | — | — |
| 512-469 | AUSTIN | 9533 | — | — |
| 512-470 | AUSTIN | 6506 | — | — |
| 512-471 | AUSTIN | 9533 | — | — |
| 512-472 | AUSTIN | 9533 | — | — |
| 512-473 | AUSTIN | 9533 | — | Yes |
| 512-474 | AUSTIN | 9533 | — | — |
| 512-475 | AUSTIN | 9533 | — | Yes |
| 512-476 | AUSTIN | 9533 | — | — |
| 512-477 | AUSTIN | 9533 | — | — |
| 512-478 | AUSTIN | 9533 | — | — |
| 512-479 | AUSTIN | 9533 | — | — |
| 512-480 | AUSTIN | 9533 | — | — |
| 512-481 | AUSTIN | 9533 | — | Yes |
| 512-482 | AUSTIN | 9533 | — | — |
| 512-483 | AUSTIN | 9533 | — | Yes |
| 512-484 | AUSTIN | 6534 | — | Yes |
| 512-485 | AUSTIN | 7516 | — | — |
| 512-486 | AUSTIN | 9533 | — | Yes |
| 512-487 | AUSTIN | 9533 | — | Yes |
| 512-488 | FENTRESS | 2154 | — | Yes |
| 512-489 | BRIGGS | 2154 | — | Yes |
| 512-490 | AUSTIN | 9533 | — | — |
| 512-491 | AUSTIN | 9533 | — | — |
| 512-492 | AUSTIN | 9533 | — | Yes |
| 512-493 | AUSTIN | 7516 | — | — |
| 512-494 | AUSTIN | 9533 | — | Yes |
| 512-495 | AUSTIN | 9533 | — | — |
| 512-496 | AUSTIN | 6534 | — | — |
| 512-497 | AUSTIN | 6534 | — | — |
| 512-498 | AUSTIN | 7516 | — | — |
| 512-499 | AUSTIN | 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.