All assignees
753 prefixes in 956 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 956-400 | MISSION | 6534 | 2007-02-14 | Yes |
| 956-401 | LAREDO | 6534 | 2007-03-15 | Yes |
| 956-402 | PHARR | 4290 | 2010-12-29 | Yes |
| 956-403 | PHARR | 7229 | 2016-01-25 | Yes |
| 956-404 | BROWNSVL | 004F | 2012-09-27 | Yes |
| 956-405 | WESLACO | 5562 | 2017-02-06 | Yes |
| 956-406 | HARLINGEN | 004F | 2013-03-12 | Yes |
| 956-407 | BROWNSVL | 6534 | 2012-09-27 | Yes |
| 956-408 | BROWNSVL | 6534 | 2008-02-19 | Yes |
| 956-409 | EDINBURG | 490J | 2026-04-28 | Yes |
| 956-410 | LOSFRESNOS | 6506 | 2013-04-16 | Yes |
| 956-411 | XXXXXXXXXX | MULT | — | — |
| 956-412 | HARLINGEN | 9533 | — | — |
| 956-413 | LAREDO | 5562 | 2013-05-29 | Yes |
| 956-414 | MCALLEN | 6534 | 2008-10-06 | Yes |
| 956-415 | LAREDO | 004F | 2013-05-20 | Yes |
| 956-416 | RIGRANDECY | 5562 | 2014-12-19 | Yes |
| 956-417 | DOLORES | 2090 | — | — |
| 956-418 | DOLORES | 2090 | — | — |
| 956-419 | DOLORES | 2090 | — | — |
| 956-420 | DONNA | 903C | 2017-04-19 | Yes |
| 956-421 | HARLINGEN | 9533 | — | — |
| 956-422 | ROMA | 6534 | 2013-06-28 | Yes |
| 956-423 | HARLINGEN | 9533 | — | — |
| 956-424 | MISSION | 9533 | — | Yes |
| 956-425 | HARLINGEN | 9533 | — | — |
| 956-426 | PORTISABEL | 903C | 2017-04-19 | Yes |
| 956-427 | HARLINGEN | 9533 | — | — |
| 956-428 | HARLINGEN | 9533 | — | — |
| 956-429 | MCALLEN | 9533 | — | Yes |
| 956-430 | HARLINGEN | 9533 | — | — |
| 956-431 | BROWNSVL | 903C | 2017-04-19 | Yes |
| 956-432 | MISSION | 4290 | 2005-02-10 | Yes |
| 956-433 | PORTISABEL | 4290 | 2002-12-03 | Yes |
| 956-434 | LOSFRESNOS | 4290 | 2002-12-03 | Yes |
| 956-435 | BROWNSVL | 004F | 2014-02-28 | Yes |
| 956-436 | LAREDO | 6534 | 2008-07-21 | Yes |
| 956-437 | ROMA | 4290 | 2001-06-18 | Yes |
| 956-438 | PHARR | 5562 | 2007-03-29 | Yes |
| 956-439 | LAREDO | 4290 | 2022-07-29 | Yes |
| 956-440 | HARLINGEN | 9533 | — | Yes |
| 956-441 | LAREDO | 793K | 2015-09-22 | Yes |
| 956-442 | BROWNSVL | 5562 | 2014-02-20 | Yes |
| 956-443 | BROWNSVL | 6534 | 2014-06-05 | Yes |
| 956-444 | HARLINGEN | 9533 | — | Yes |
| 956-445 | MISSION | 4290 | 2005-03-15 | Yes |
| 956-446 | SULLIVANCY | 903C | 2017-04-21 | Yes |
| 956-447 | WESLACO | 4344 | — | Yes |
| 956-448 | MCALLEN | 197D | 2018-11-09 | Yes |
| 956-449 | LAREDO | 903C | 2024-04-10 | Yes |
| 956-450 | EDINBURG | 6506 | 2018-12-28 | Yes |
| 956-451 | MCALLEN | 4290 | — | Yes |
| 956-452 | LAREDO | 197D | — | Yes |
| 956-453 | HARLINGEN | 4290 | — | Yes |
| 956-454 | HARLINGEN | 5562 | — | Yes |
| 956-455 | BROWNSVL | 4290 | 2002-12-12 | Yes |
| 956-456 | SAN BENITO | 4290 | 2002-09-25 | Yes |
| 956-457 | EDINBURG | 4290 | 2002-09-25 | Yes |
| 956-458 | MISSION | 4290 | 2002-09-25 | Yes |
| 956-459 | BROWNSVL | 5562 | 2002-09-25 | Yes |
| 956-460 | PHARR | 5562 | 2002-09-25 | Yes |
| 956-461 | DONNA | 9533 | — | Yes |
| 956-462 | LAREDO | 516C | 2009-11-04 | Yes |
| 956-463 | WESLACO | 5562 | 2002-09-25 | Yes |
| 956-464 | DONNA | 9533 | — | — |
| 956-465 | BROWNSVL | 6114 | 2002-06-13 | Yes |
| 956-466 | BROWNSVL | 4290 | 2003-03-24 | Yes |
| 956-467 | MCALLEN | 6114 | 2002-06-13 | Yes |
| 956-468 | MCALLEN | 7138 | 2019-01-11 | Yes |
| 956-469 | LAREDO | 6534 | 2026-05-13 | Yes |
| 956-470 | LAREDO | 7138 | 2024-09-18 | Yes |
| 956-471 | LAREDO | 6534 | 2019-05-07 | Yes |
| 956-472 | WESLACO | 4290 | 2001-09-10 | Yes |
| 956-473 | LAREDO | 9533 | — | Yes |
| 956-474 | MERCEDES | 903C | 2019-07-25 | Yes |
| 956-475 | PHARR | 6534 | 2007-03-29 | Yes |
| 956-476 | RIGRANDECY | 903C | 2019-07-25 | Yes |
| 956-477 | LAREDO | 903C | 2017-08-23 | Yes |
| 956-478 | EDINBURG | 6534 | 2014-09-22 | Yes |
| 956-479 | BROWNSVL | 6534 | 2019-10-17 | Yes |
| 956-480 | LAREDO | 5562 | 2014-09-18 | Yes |
| 956-481 | SAN ISIDRO | 2159 | — | — |
| 956-482 | LAREDO | 6534 | 2019-11-27 | Yes |
| 956-483 | MCALLEN | 6506 | 2007-04-03 | Yes |
| 956-484 | BROWNSVL | 4290 | 2020-01-14 | Yes |
| 956-485 | SULLIVANCY | 9533 | — | Yes |
| 956-486 | EL SAUZ | 2159 | — | — |
| 956-487 | RIGRANDECY | 4344 | — | — |
| 956-488 | RIGRANDECY | 4344 | — | — |
| 956-489 | LAREDO | 6534 | 2001-03-16 | Yes |
| 956-490 | HARLINGEN | 4290 | — | Yes |
| 956-491 | HARLINGEN | 4290 | — | Yes |
| 956-492 | HARLINGEN | 700J | — | Yes |
| 956-493 | HARLINGEN | 4290 | — | Yes |
| 956-494 | HARLINGEN | 5562 | — | Yes |
| 956-495 | HARLINGEN | 4290 | — | Yes |
| 956-496 | HARLINGEN | 793K | — | Yes |
| 956-497 | HARLINGEN | 4290 | — | Yes |
| 956-498 | HARLINGEN | 4290 | — | Yes |
| 956-499 | HARLINGEN | 4290 | — | 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.