All assignees
800 prefixes in 512 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 512-500 | AUSTIN | 6114 | 2022-07-28 | Yes |
| 512-501 | AUSTIN | 903C | 2007-09-19 | Yes |
| 512-502 | AUSTIN | 9533 | — | Yes |
| 512-503 | AUSTIN | 903C | 2022-04-28 | Yes |
| 512-504 | KYLE | 7670 | — | Yes |
| 512-505 | AUSTIN | 9533 | — | Yes |
| 512-506 | AUSTIN | 9533 | — | Yes |
| 512-507 | AUSTIN | 6529 | — | Yes |
| 512-508 | GEORGETOWN | 6529 | — | Yes |
| 512-509 | GEORGETOWN | 7138 | — | Yes |
| 512-510 | XXXXXXXXXX | 9533 | — | — |
| 512-511 | XXXXXXXXXX | MULT | — | — |
| 512-512 | AUSTIN | 473F | 2023-01-06 | Yes |
| 512-513 | AUSTIN | 7516 | 2008-09-02 | Yes |
| 512-514 | AUSTIN | 9533 | — | Yes |
| 512-515 | LIBERTY HL | 9533 | — | Yes |
| 512-516 | AUSTIN | 6506 | 2010-02-18 | Yes |
| 512-517 | AUSTIN | 6534 | — | — |
| 512-518 | AUSTIN | 004F | — | Yes |
| 512-519 | AUSTIN | 7516 | — | Yes |
| 512-520 | AUSTIN | 793K | — | Yes |
| 512-521 | BASTROP | 6529 | — | Yes |
| 512-522 | AUSTIN | 004F | 2010-02-24 | Yes |
| 512-523 | BUDA | 7670 | — | Yes |
| 512-524 | AUSTIN | 7670 | — | Yes |
| 512-525 | LAMPASAS | 6529 | — | Yes |
| 512-526 | AUSTIN | 7138 | 2008-03-18 | Yes |
| 512-527 | AUSTIN | 9533 | — | Yes |
| 512-528 | LEANDER | 9533 | — | Yes |
| 512-529 | AUSTIN | 6506 | 2007-04-03 | Yes |
| 512-530 | AUSTIN | 7516 | — | — |
| 512-531 | AUSTIN | 7516 | — | Yes |
| 512-532 | AUSTIN | 7516 | — | — |
| 512-533 | AUSTIN | 7516 | — | Yes |
| 512-534 | AUSTIN | 6506 | 2010-07-19 | Yes |
| 512-535 | AUSTIN | 6534 | 2005-04-22 | Yes |
| 512-536 | AUSTIN | 9533 | — | Yes |
| 512-537 | AUSTIN | 004F | 2008-11-21 | Yes |
| 512-538 | AUSTIN | 7670 | — | Yes |
| 512-539 | AUSTIN | 6506 | 2007-10-11 | Yes |
| 512-540 | LAMPASAS | 6534 | — | Yes |
| 512-541 | AUSTIN | 6506 | 2008-03-26 | Yes |
| 512-542 | AUSTIN | 9533 | — | Yes |
| 512-543 | ROCKDALE | 903C | — | Yes |
| 512-544 | AUSTIN | 7516 | 2005-03-01 | Yes |
| 512-545 | BASTROP | 6534 | — | Yes |
| 512-546 | DALE/LTNSP | 7670 | — | Yes |
| 512-547 | AUSTIN | 6534 | 2008-09-15 | Yes |
| 512-548 | LIBERTY HL | 793K | — | Yes |
| 512-549 | BASTROP | 9533 | 2009-06-16 | Yes |
| 512-550 | AUSTIN | 6534 | 2010-07-16 | Yes |
| 512-551 | AUSTIN | 6114 | 2008-10-22 | Yes |
| 512-552 | AUSTIN | 6534 | 2006-04-17 | Yes |
| 512-553 | BURNET | 6114 | 2002-01-02 | Yes |
| 512-554 | AUSTIN | 6529 | — | — |
| 512-555 | DIR ASST | MULT | — | — |
| 512-556 | LAMPASAS | 9533 | — | — |
| 512-557 | SAN MARCOS | 6506 | — | — |
| 512-558 | SAN MARCOS | 2140 | — | Yes |
| 512-559 | DALE/LTNSP | 2154 | — | Yes |
| 512-560 | AUSTIN | 6534 | — | — |
| 512-561 | MILANO | 6114 | 2002-08-26 | — |
| 512-562 | LOMETA | 6114 | 2002-08-26 | — |
| 512-563 | AUSTIN | 6529 | 2001-02-27 | Yes |
| 512-564 | LAMPASAS | 9533 | 2002-10-31 | Yes |
| 512-565 | AUSTIN | 6534 | 2001-01-25 | — |
| 512-566 | LAMPASAS | 6529 | 2002-06-05 | Yes |
| 512-567 | AUSTIN | 6506 | — | — |
| 512-568 | AUSTIN | 6534 | 2009-03-03 | Yes |
| 512-569 | AUSTIN | 6506 | — | — |
| 512-570 | AUSTIN | 7516 | 2008-05-30 | Yes |
| 512-571 | AUSTIN | 6506 | 2011-09-19 | Yes |
| 512-572 | BERTRAM | 903C | 2014-06-18 | Yes |
| 512-573 | AUSTIN | 6529 | — | Yes |
| 512-574 | AUSTIN | 6534 | 2010-02-23 | Yes |
| 512-575 | SMITHVILLE | 516C | 2011-09-23 | Yes |
| 512-576 | AUSTIN | 6529 | — | — |
| 512-577 | AUSTIN | 6529 | 2002-04-04 | — |
| 512-578 | AUSTIN | 9533 | 2010-08-04 | Yes |
| 512-579 | AUSTIN | 7516 | 2007-06-26 | Yes |
| 512-580 | AUSTIN | 793K | 2014-10-16 | Yes |
| 512-581 | BASTROP | 9533 | — | Yes |
| 512-582 | AUSTIN | 903C | — | Yes |
| 512-583 | AUSTIN | 7516 | — | — |
| 512-584 | AUSTIN | 6529 | 2006-08-31 | Yes |
| 512-585 | AUSTIN | 6506 | — | — |
| 512-586 | AUSTIN | 6529 | 2001-01-08 | Yes |
| 512-587 | AUSTIN | 6529 | 2001-04-24 | Yes |
| 512-588 | BURNET | 6534 | 2002-04-29 | Yes |
| 512-589 | AUSTIN | 5562 | — | Yes |
| 512-590 | AUSTIN | 6506 | 2006-04-27 | Yes |
| 512-591 | GEORGETOWN | 7138 | — | Yes |
| 512-592 | AUSTIN | 6506 | 2007-07-19 | Yes |
| 512-593 | AUSTIN | 004F | 2013-04-25 | Yes |
| 512-594 | AUSTIN | 9533 | 2001-08-10 | — |
| 512-595 | TAYLOR | 6114 | 2001-12-11 | Yes |
| 512-596 | AUSTIN | 6534 | 2013-10-25 | Yes |
| 512-597 | AUSTIN | 7516 | — | Yes |
| 512-598 | JARRELL | 612K | 2014-02-03 | Yes |
| 512-599 | AUSTIN | 903C | — | 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.