All assignees
800 prefixes in 972 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 972-600 | IRVING | 903C | 2007-07-02 | Yes |
| 972-601 | GRANDPRARI | 9533 | — | — |
| 972-602 | GRANDPRARI | 9533 | — | Yes |
| 972-603 | GRANDPRARI | 9533 | — | Yes |
| 972-604 | PLANO | 4344 | — | — |
| 972-605 | PLANO | 4344 | — | — |
| 972-606 | GRANDPRARI | 9533 | — | — |
| 972-607 | IRVING | 4344 | — | Yes |
| 972-608 | PLANO | 4344 | — | Yes |
| 972-609 | GRANDPRARI | 6630 | — | — |
| 972-610 | XXXXXXXXXX | 9533 | — | — |
| 972-611 | XXXXXXXXXX | MULT | — | — |
| 972-612 | PLANO | 4344 | — | — |
| 972-613 | DALLAS | 9533 | — | Yes |
| 972-614 | GRANDPRARI | 9533 | — | Yes |
| 972-615 | DLFTWTARPT | 4344 | — | — |
| 972-616 | DALLAS | 7516 | — | Yes |
| 972-617 | RED OAK | 9533 | — | — |
| 972-618 | PLANO | 4344 | — | — |
| 972-619 | DALLAS | 7148 | — | Yes |
| 972-620 | DALLAS | 9533 | — | — |
| 972-621 | IRVING | 4344 | — | Yes |
| 972-622 | GRANDPRARI | 6630 | — | — |
| 972-623 | GRANDPRARI | 9533 | — | Yes |
| 972-624 | FRISCO | 9533 | — | Yes |
| 972-625 | FRISCO | 9533 | — | — |
| 972-626 | GRANDPRARI | 6506 | 2018-05-08 | Yes |
| 972-627 | AVALON | 1181 | — | Yes |
| 972-628 | DALLAS | 9533 | — | Yes |
| 972-629 | DALLAS | 7148 | — | Yes |
| 972-630 | DALLAS | 9533 | — | Yes |
| 972-631 | MCKINNEY | 9748 | — | — |
| 972-632 | MCKINNEY | 903C | — | Yes |
| 972-633 | PLANO | 4344 | — | — |
| 972-634 | ALLEN | 903C | 2022-04-28 | Yes |
| 972-635 | ROYSE CITY | 9533 | — | Yes |
| 972-636 | ROYSE CITY | 9533 | — | Yes |
| 972-637 | CEDAR HILL | 7516 | — | Yes |
| 972-638 | DALLAS | 9533 | 2001-04-24 | Yes |
| 972-639 | GRANDPRARI | 6534 | 2006-03-09 | Yes |
| 972-640 | GRANDPRARI | 903C | 2022-05-04 | Yes |
| 972-641 | GRANDPRARI | 9533 | — | — |
| 972-642 | GRANDPRARI | 9533 | — | — |
| 972-643 | DALLAS | 9533 | — | Yes |
| 972-644 | DALLAS | 9533 | — | — |
| 972-645 | ITALY | 6114 | 2018-01-15 | Yes |
| 972-646 | BARDWELL | 2154 | — | Yes |
| 972-647 | GRANDPRARI | 9533 | — | — |
| 972-648 | GRANDPRARI | 9748 | — | — |
| 972-649 | ALLEN | 7229 | — | Yes |
| 972-650 | IRVING | 4344 | — | — |
| 972-651 | ROCKWALL | 7670 | — | — |
| 972-652 | IRVING | 4344 | — | Yes |
| 972-653 | IRVING | 4344 | — | Yes |
| 972-654 | FRISCO | 6534 | 2020-04-09 | Yes |
| 972-655 | IRVING | 4344 | — | Yes |
| 972-656 | DALLAS | 7229 | — | Yes |
| 972-657 | IRVING | 4344 | — | Yes |
| 972-658 | MCKINNEY | 6534 | — | — |
| 972-659 | IRVING | 4344 | — | — |
| 972-660 | GRANDPRARI | 9533 | — | — |
| 972-661 | DALLAS | 9533 | — | — |
| 972-662 | CARROLLTON | 4344 | — | Yes |
| 972-663 | DALLAS | 9533 | — | Yes |
| 972-664 | DALLAS | 9533 | — | Yes |
| 972-665 | PLANO | 7229 | — | Yes |
| 972-666 | BRISTOL | 2154 | — | Yes |
| 972-667 | GRANDPRARI | 6630 | — | — |
| 972-668 | FRISCO | 7670 | — | — |
| 972-669 | DALLAS | 9533 | — | — |
| 972-670 | GRANDPRARI | 6529 | — | Yes |
| 972-671 | DALLAS | 9533 | — | Yes |
| 972-672 | GRANDPRARI | 6534 | — | — |
| 972-673 | PLANO | 7726 | — | Yes |
| 972-674 | DALLAS | 004F | — | Yes |
| 972-675 | PLANO | 4344 | — | Yes |
| 972-676 | DALLAS | 7229 | — | Yes |
| 972-677 | DALLAS | 7148 | — | Yes |
| 972-678 | ALLEN | 7670 | — | — |
| 972-679 | GRANDPRARI | 6534 | — | — |
| 972-680 | DALLAS | 9533 | — | — |
| 972-681 | DALLAS | 9533 | — | — |
| 972-682 | DALLAS | 9533 | — | Yes |
| 972-683 | MCKINNEY | 9533 | — | — |
| 972-684 | DALLAS | 9533 | — | Yes |
| 972-685 | DALLAS | 9533 | — | Yes |
| 972-686 | DALLAS | 9533 | — | Yes |
| 972-687 | DALLAS | 9533 | — | — |
| 972-688 | PLANO | 321J | 2021-11-04 | Yes |
| 972-689 | GRANDPRARI | 6534 | 2005-02-15 | Yes |
| 972-690 | DALLAS | 9533 | — | — |
| 972-691 | LEWISVILLE | 4344 | — | — |
| 972-692 | DALLAS | 7229 | — | — |
| 972-693 | GRANDPRARI | 6529 | — | Yes |
| 972-694 | JOSEPHINE | 2154 | — | Yes |
| 972-695 | CARROLLTON | 4344 | — | Yes |
| 972-696 | PLANO | 4344 | — | Yes |
| 972-697 | GRANDPRARI | 7421 | — | Yes |
| 972-698 | DALLAS | 9533 | — | Yes |
| 972-699 | DALLAS | 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.