All assignees
797 prefixes in 817 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 817-501 | ARLINGTON | 6529 | — | — |
| 817-502 | FORT WORTH | 6114 | — | Yes |
| 817-503 | NRICHLDHLS | 9533 | 2002-06-11 | Yes |
| 817-504 | ARLINGTON | 6534 | — | — |
| 817-505 | ARLINGTON | 7148 | — | Yes |
| 817-506 | CLEBURNE | 6114 | — | Yes |
| 817-507 | GLENDALE | 903C | — | Yes |
| 817-508 | EULESS | 7148 | — | Yes |
| 817-509 | FORT WORTH | 7516 | — | Yes |
| 817-510 | EULESS | 903C | — | Yes |
| 817-511 | XXXXXXXXXX | MULT | — | — |
| 817-512 | CRESSON | 2153 | — | Yes |
| 817-513 | ARLINGTON | 6506 | 2014-11-14 | Yes |
| 817-514 | NRICHLDHLS | 9533 | — | — |
| 817-515 | FORT WORTH | 9533 | — | — |
| 817-516 | KENNEDALE | 9533 | — | Yes |
| 817-517 | CLEBURNE | 9533 | — | Yes |
| 817-518 | KELLER | 903C | — | Yes |
| 817-519 | NRICHLDHLS | 671J | — | — |
| 817-520 | NRICHLDHLS | 903C | — | Yes |
| 817-521 | ARLINGTON | 6529 | — | Yes |
| 817-522 | ARLINGTON | 829J | — | Yes |
| 817-523 | SPRINGTOWN | 2154 | — | Yes |
| 817-524 | ARLINGTON | 7229 | — | Yes |
| 817-525 | ARLINGTON | 7229 | — | Yes |
| 817-526 | CLEBURNE | 8253 | — | Yes |
| 817-527 | GRAPEVINE | 7229 | — | Yes |
| 817-528 | ARLINGTON | 6506 | — | — |
| 817-529 | FORT WORTH | 903C | — | — |
| 817-530 | ARLINGTON | 9533 | — | — |
| 817-531 | FORT WORTH | 9533 | — | — |
| 817-532 | EULESS | 6114 | — | Yes |
| 817-533 | ARLINGTON | 6114 | — | Yes |
| 817-534 | FORT WORTH | 9533 | — | — |
| 817-535 | FORT WORTH | 9533 | — | Yes |
| 817-536 | FORT WORTH | 9533 | — | — |
| 817-537 | ATLAS | 829J | 2001-10-02 | Yes |
| 817-538 | ARLINGTON | 6529 | — | Yes |
| 817-539 | MANSFIELD | 9533 | — | Yes |
| 817-540 | EULESS | 9533 | — | Yes |
| 817-541 | ROANOKE | 7421 | — | Yes |
| 817-542 | ARLINGTON | 9533 | — | Yes |
| 817-543 | ARLINGTON | 9533 | — | Yes |
| 817-544 | GRAPEVINE | 7670 | — | — |
| 817-545 | EULESS | 9533 | — | — |
| 817-546 | FORT WORTH | 903C | — | Yes |
| 817-547 | FORT WORTH | 9533 | — | Yes |
| 817-548 | ARLINGTON | 9533 | — | — |
| 817-549 | ARLINGTON | 7229 | 2004-06-04 | Yes |
| 817-550 | WEATHERFD | 6114 | — | Yes |
| 817-551 | FORT WORTH | 9533 | — | — |
| 817-552 | GRAPEVINE | 903C | — | Yes |
| 817-553 | EULESS | 903C | — | Yes |
| 817-554 | EULESS | 829J | — | Yes |
| 817-555 | DIR ASST | MULT | — | — |
| 817-556 | CLEBURNE | 9533 | — | Yes |
| 817-557 | ARLINGTON | 9533 | — | Yes |
| 817-558 | CLEBURNE | 9533 | — | — |
| 817-559 | GRANBURY | 6506 | 2001-03-23 | Yes |
| 817-560 | FORT WORTH | 9533 | — | — |
| 817-561 | KENNEDALE | 9533 | — | — |
| 817-562 | KELLER | 4344 | — | Yes |
| 817-563 | KENNEDALE | 9533 | — | — |
| 817-564 | GLENDALE | 829J | — | Yes |
| 817-565 | WEATHERFD | 6534 | — | Yes |
| 817-566 | FORT WORTH | 829J | — | Yes |
| 817-567 | ROANOKE | 7148 | 2002-01-15 | Yes |
| 817-568 | FORT WORTH | 9533 | — | — |
| 817-569 | FORT WORTH | 9533 | — | Yes |
| 817-570 | FORT WORTH | 9533 | — | — |
| 817-571 | EULESS | 9533 | — | — |
| 817-572 | KENNEDALE | 9533 | — | Yes |
| 817-573 | GRANBURY | 9533 | — | — |
| 817-574 | EULESS | 7516 | — | Yes |
| 817-575 | ARLINGTON | 7516 | — | Yes |
| 817-576 | NRICHLDHLS | 829J | 2001-10-02 | Yes |
| 817-577 | NRICHLDHLS | 9533 | — | — |
| 817-578 | GRANBURY | 9533 | — | Yes |
| 817-579 | GRANBURY | 9533 | — | — |
| 817-580 | ATLAS | 9533 | — | Yes |
| 817-581 | NRICHLDHLS | 9533 | — | — |
| 817-582 | ATLAS | 7229 | 2004-06-04 | Yes |
| 817-583 | ARLINGTON | 6534 | 2009-03-10 | Yes |
| 817-584 | GLENDALE | 6534 | 2005-01-14 | Yes |
| 817-585 | FORT WORTH | 9533 | — | Yes |
| 817-586 | GLENDALE | 6114 | 2002-08-07 | Yes |
| 817-587 | ALVARADO | 903C | — | Yes |
| 817-588 | ARLINGTON | 9533 | — | — |
| 817-589 | ATLAS | 9533 | — | — |
| 817-590 | ATLAS | 9533 | — | Yes |
| 817-591 | ATLAS | 6114 | 2002-03-28 | Yes |
| 817-592 | MANSFIELD | 516C | — | Yes |
| 817-593 | FORT WORTH | 9533 | — | — |
| 817-594 | WEATHERFD | 9533 | — | — |
| 817-595 | ATLAS | 9533 | — | — |
| 817-596 | WEATHERFD | 9533 | — | — |
| 817-597 | WEATHERFD | 9533 | — | — |
| 817-598 | WEATHERFD | 9533 | — | — |
| 817-599 | WEATHERFD | 9533 | — | — |
| 817-600 | ARLINGTON | 6506 | 2007-11-27 | 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.