All assignees
753 prefixes in 956 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 956-600 | MISSION | 6534 | 2010-11-10 | Yes |
| 956-601 | PHARR | 793K | 2014-11-20 | Yes |
| 956-602 | LAREDO | 793K | 2014-10-22 | Yes |
| 956-603 | EDINBURG | 6534 | 2014-11-25 | Yes |
| 956-604 | BROWNSVL | 7148 | 2020-11-02 | Yes |
| 956-605 | EDINBURG | 6534 | — | — |
| 956-606 | LAREDO | 6534 | 2014-10-20 | Yes |
| 956-607 | EDINBURG | 6534 | — | — |
| 956-608 | LAREDO | 4290 | 2014-12-12 | Yes |
| 956-609 | EDINBURG | 7229 | 2015-01-26 | Yes |
| 956-610 | HARLINGEN | 9533 | 2001-05-24 | — |
| 956-611 | XXXXXXXXXX | MULT | — | — |
| 956-612 | LAREDO | 6534 | 2014-11-25 | Yes |
| 956-613 | ROMA | 903C | 2021-01-08 | Yes |
| 956-614 | ZAPATA | 7138 | 2015-05-21 | Yes |
| 956-615 | LAREDO | 793K | 2015-07-21 | Yes |
| 956-616 | MCALLEN | 6534 | 2011-03-25 | Yes |
| 956-617 | BROWNSVL | 6534 | 2015-08-03 | Yes |
| 956-618 | MCALLEN | 9533 | — | — |
| 956-619 | WESLACO | 6534 | 2015-08-10 | Yes |
| 956-620 | BROWNSVL | 4290 | 2015-08-11 | Yes |
| 956-621 | BROWNSVL | 793K | — | Yes |
| 956-622 | HARLINGEN | 6114 | 2002-05-17 | Yes |
| 956-623 | MCALLEN | 6630 | 2001-03-09 | — |
| 956-624 | MCALLEN | 4290 | 2001-03-07 | — |
| 956-625 | LAREDO | 7138 | 2015-12-30 | Yes |
| 956-626 | SAN BENITO | 4290 | 2007-05-02 | Yes |
| 956-627 | MCALLEN | 793K | — | Yes |
| 956-628 | ENCINAL | 516C | 2007-03-07 | Yes |
| 956-629 | LAREDO | 5562 | 2021-01-22 | Yes |
| 956-630 | MCALLEN | 9533 | — | — |
| 956-631 | MCALLEN | 9533 | — | — |
| 956-632 | MCALLEN | 9533 | — | — |
| 956-633 | SANTA ROSA | 776A | 2011-08-24 | Yes |
| 956-634 | MERCEDES | 903C | 2021-04-12 | Yes |
| 956-635 | LAREDO | 6506 | 2007-10-11 | Yes |
| 956-636 | SANTA ROSA | 4344 | — | Yes |
| 956-637 | RIO HONDO | 7421 | 2021-04-16 | Yes |
| 956-638 | MCALLEN | 6506 | 2001-05-11 | — |
| 956-639 | BROWNSVL | 4290 | 2001-03-02 | — |
| 956-640 | BROWNSVL | 6534 | 2007-10-17 | Yes |
| 956-641 | BROWNSVL | 6534 | 2015-05-11 | Yes |
| 956-642 | LASARA | 2159 | — | Yes |
| 956-643 | BROWNSVL | 478J | 2021-09-28 | Yes |
| 956-644 | ZAPATA | 965H | 2021-01-14 | Yes |
| 956-645 | LAREDO | 4290 | — | — |
| 956-646 | DONNA | 004F | 2021-11-02 | Yes |
| 956-647 | WESLACO | 4344 | 2007-04-16 | Yes |
| 956-648 | MCALLEN | 4290 | — | Yes |
| 956-649 | LAREDO | 4290 | 2021-11-16 | Yes |
| 956-650 | WESLACO | 4290 | 2001-11-26 | Yes |
| 956-651 | MCALLEN | 4290 | 2015-08-26 | Yes |
| 956-652 | LAREDO | 5562 | 2014-06-27 | Yes |
| 956-653 | HARGILL | 508J | 2016-05-10 | Yes |
| 956-654 | HARLINGEN | 425J | 2020-06-04 | Yes |
| 956-655 | MCALLEN | 4290 | 2002-12-02 | Yes |
| 956-656 | ZAPATA | 4290 | 2020-09-04 | Yes |
| 956-657 | MCALLEN | 4866 | — | — |
| 956-658 | MCALLEN | 4290 | 2021-12-15 | Yes |
| 956-659 | HARLINGEN | 4290 | — | Yes |
| 956-660 | HARLINGEN | 508J | 2015-12-21 | Yes |
| 956-661 | MCALLEN | 9533 | — | Yes |
| 956-662 | MCALLEN | 6506 | 2015-08-26 | Yes |
| 956-663 | EDINBURG | 903C | 2021-11-02 | Yes |
| 956-664 | MCALLEN | 9533 | — | — |
| 956-665 | EDINBURG | 9533 | 2010-04-05 | Yes |
| 956-666 | PHARR | 319D | 2016-03-30 | Yes |
| 956-667 | BROWNSVL | 4290 | 2015-11-23 | Yes |
| 956-668 | MCALLEN | 9533 | — | — |
| 956-669 | HARLINGEN | 177F | 2021-12-29 | Yes |
| 956-670 | EDINBURG | 490J | 2022-02-01 | Yes |
| 956-671 | SAN ISIDRO | 508J | 2016-05-11 | Yes |
| 956-672 | MISSION | 4290 | 2022-01-19 | Yes |
| 956-673 | PHARR | 6534 | 2021-04-19 | Yes |
| 956-674 | LOSFRESNOS | 490J | 2022-02-07 | Yes |
| 956-675 | LYFORD | 490J | 2022-02-07 | Yes |
| 956-676 | BROWNSVL | 475J | 2022-03-02 | Yes |
| 956-677 | HARLINGEN | 965H | 2019-08-26 | Yes |
| 956-678 | WESLACO | 6534 | 2014-10-20 | Yes |
| 956-679 | LAREDO | 6506 | 2022-09-26 | Yes |
| 956-680 | MISSION | 4290 | 2022-10-03 | Yes |
| 956-681 | MCALLEN | 4866 | 2006-11-03 | Yes |
| 956-682 | MCALLEN | 9533 | — | — |
| 956-683 | MCALLEN | 9533 | — | Yes |
| 956-684 | WESLACO | 4290 | 2006-05-24 | Yes |
| 956-685 | PHARR | 6534 | 2011-03-08 | Yes |
| 956-686 | MCALLEN | 9533 | — | — |
| 956-687 | MCALLEN | 9533 | — | — |
| 956-688 | MCALLEN | 9533 | — | Yes |
| 956-689 | RAYMONDVL | 4344 | — | Yes |
| 956-690 | RAYMONDVL | 4344 | — | Yes |
| 956-691 | LAREDO | 732J | — | Yes |
| 956-692 | MISSION | 6534 | 2023-01-03 | Yes |
| 956-693 | LAREDO | 9533 | 2001-11-15 | Yes |
| 956-694 | BROWNSVL | 939H | 2022-01-14 | Yes |
| 956-695 | SAN BENITO | 073H | 2021-05-07 | Yes |
| 956-696 | RIGRANDECY | 624H | 2021-05-27 | Yes |
| 956-697 | PORTISABEL | 903C | 2021-01-22 | Yes |
| 956-698 | BROWNSVL | 9533 | 2001-03-09 | Yes |
| 956-699 | RAYMONDVL | 776A | 2010-10-13 | — |
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.