All assignees
346 prefixes in 737 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 737-400 | AUSTIN | 903C | 2015-10-13 | Yes |
| 737-401 | AUSTIN | 7138 | 2016-10-18 | Yes |
| 737-402 | AUSTIN | 073H | 2016-12-02 | Yes |
| 737-403 | GEORGETOWN | 6506 | 2024-11-14 | Yes |
| 737-404 | KYLE | 793K | 2015-09-21 | Yes |
| 737-405 | KYLE | 6529 | 2024-12-03 | Yes |
| 737-406 | AUSTIN | 6534 | 2024-12-12 | Yes |
| 737-407 | WIMBERLEY | 6534 | 2025-01-06 | Yes |
| 737-408 | AUSTIN | 6506 | 2025-01-06 | Yes |
| 737-409 | AUSTIN | 903C | 2025-01-09 | Yes |
| 737-410 | AUSTIN | 624H | 2025-01-29 | Yes |
| 737-411 | XXXXXXXXXX | MULT | — | — |
| 737-412 | AUSTIN | 6534 | 2025-02-10 | Yes |
| 737-413 | SMITHVILLE | 6529 | 2025-02-10 | Yes |
| 737-414 | BUDA | 6529 | 2016-11-02 | Yes |
| 737-415 | AUSTIN | 515J | 2025-02-26 | Yes |
| 737-416 | ELGIN | 515J | 2025-02-26 | Yes |
| 737-417 | LIBERTY HL | 515J | 2025-03-31 | Yes |
| 737-418 | AUSTIN | 903C | 2025-04-08 | Yes |
| 737-419 | AUSTIN | 6506 | 2025-05-02 | Yes |
| 737-420 | AUSTIN | 939H | 2021-11-03 | Yes |
| 737-421 | ROCKDALE | 6529 | 2025-06-06 | Yes |
| 737-422 | SAN MARCOS | 145J | 2025-07-15 | Yes |
| 737-423 | AUSTIN | 700J | 2025-07-18 | Yes |
| 737-424 | BASTROP | 6529 | 2025-07-21 | Yes |
| 737-425 | GEORGETOWN | 6534 | 2025-08-28 | Yes |
| 737-426 | BASTROP | 6529 | 2025-10-01 | Yes |
| 737-427 | MCDADE | 903C | 2020-12-28 | Yes |
| 737-428 | AUSTIN | 6534 | 2025-10-29 | Yes |
| 737-429 | AUSTIN | 6506 | 2025-11-13 | Yes |
| 737-430 | AUSTIN | 6534 | 2025-11-20 | Yes |
| 737-431 | AUSTIN | 6506 | 2025-12-03 | Yes |
| 737-432 | LEANDER | 903C | 2025-12-11 | Yes |
| 737-433 | BASTROP | 6534 | 2026-01-05 | Yes |
| 737-434 | AUSTIN | 903C | 2026-02-18 | Yes |
| 737-435 | AUSTIN | 6534 | 2026-05-28 | Yes |
| 737-436 | BUDA | 903C | 2026-06-30 | Yes |
| 737-437 | THORNDTHRL | 903C | — | Yes |
| 737-438 | AUSTIN | 883K | 2026-03-26 | Yes |
| 737-439 | AUSTIN | 903C | 2026-06-30 | Yes |
| 737-440 | AUSTIN | 6529 | 2026-06-16 | Yes |
| 737-441 | GEORGETOWN | 903C | 2026-08-06 | Yes |
| 737-442 | AUSTIN | 7138 | 2026-06-02 | Yes |
| 737-443 | AUSTIN | 6114 | — | Yes |
| 737-444 | GEORGETOWN | 319D | 2013-03-04 | Yes |
| 737-448 | DRIPPNGSPG | 5562 | 2026-05-18 | Yes |
| 737-450 | LOCKHART | 903C | 2025-12-17 | Yes |
| 737-455 | AUSTIN | 6529 | 2026-06-16 | Yes |
| 737-465 | AUSTIN | 965H | 2019-05-21 | Yes |
| 737-471 | AUSTIN | 9533 | 2018-03-22 | Yes |
| 737-473 | SANGABRIEL | 903C | 2020-12-28 | Yes |
| 737-477 | LOCKHART | 965H | 2020-07-09 | Yes |
| 737-484 | AUSTIN | 7249 | 2015-07-07 | Yes |
| 737-497 | AUSTIN | 903C | 2023-01-09 | Yes |
| 737-500 | BASTROP | 903C | 2019-07-25 | Yes |
| 737-510 | BERTRAM | 903C | 2019-07-25 | Yes |
| 737-511 | XXXXXXXXXX | MULT | — | — |
| 737-520 | FENTRESS | 903C | 2019-07-25 | Yes |
| 737-529 | AUSTIN | 903C | 2015-02-02 | Yes |
| 737-530 | LOMETA | 903C | 2019-07-25 | Yes |
| 737-537 | LAMPASAS | 903C | — | Yes |
| 737-555 | DIR ASST | MULT | — | — |
| 737-577 | BRIGGS | 965H | 2020-07-09 | Yes |
| 737-587 | AUSTIN | 965H | 2021-12-30 | Yes |
| 737-600 | AUSTIN | 903C | 2015-04-14 | Yes |
| 737-610 | AUSTIN | 903C | — | Yes |
| 737-611 | XXXXXXXXXX | MULT | — | — |
| 737-615 | AUSTIN | 903C | — | Yes |
| 737-618 | LAMPASAS | 6529 | 2015-11-24 | Yes |
| 737-637 | THORNDTHRL | 903C | 2018-08-21 | Yes |
| 737-666 | ELGIN | 319D | 2013-03-04 | Yes |
| 737-667 | GEORGETOWN | 965H | 2020-06-18 | Yes |
| 737-677 | SMITHVILLE | 903C | 2020-12-28 | Yes |
| 737-678 | DRIPPNGSPG | 516J | 2021-09-03 | Yes |
| 737-688 | COUPLAND | 965H | 2021-05-10 | Yes |
| 737-700 | — | — | ||
| 737-701 | AUSTIN | 6534 | 2015-09-17 | Yes |
| 737-702 | GRANGER | 004F | 2015-05-06 | Yes |
| 737-703 | AUSTIN | 903C | — | Yes |
| 737-704 | AUSTIN | 7670 | 2014-04-10 | Yes |
| 737-707 | AUSTIN | 622J | 2021-09-07 | Yes |
| 737-708 | AUSTIN | 5562 | — | Yes |
| 737-710 | AUSTIN | 624H | 2019-10-09 | Yes |
| 737-711 | XXXXXXXXXX | MULT | — | — |
| 737-717 | AUSTIN | 903C | 2016-01-18 | Yes |
| 737-727 | MCDADE | 903C | 2018-08-21 | Yes |
| 737-730 | BASTROP | 597F | 2026-07-21 | Yes |
| 737-732 | ROCKDALE | 965H | 2020-07-02 | Yes |
| 737-733 | BASTROP | 965H | 2020-07-09 | Yes |
| 737-734 | LIBERTY HL | 903C | — | Yes |
| 737-737 | SAN MARCOS | 473F | 2023-01-25 | Yes |
| 737-738 | GEORGETOWN | 903C | 2021-02-02 | Yes |
| 737-742 | AUSTIN | 516J | 2021-04-29 | Yes |
| 737-746 | BERTRAM | 516J | 2022-01-13 | Yes |
| 737-747 | BURNET | 5562 | 2016-05-19 | Yes |
| 737-757 | LEANDER | 004F | 2016-06-24 | Yes |
| 737-758 | KEMPNER | 965H | 2019-05-21 | Yes |
| 737-762 | SMITHVILLE | 516J | 2021-09-03 | Yes |
| 737-766 | LEANDER | 965H | 2019-05-21 | Yes |
| 737-767 | LAMPASAS | 516J | 2021-02-24 | 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.