All assignees
800 prefixes in 903 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 903-500 | LONGVIEW | 903C | 2011-02-22 | Yes |
| 903-501 | NEW BOSTON | 1163 | 2015-02-18 | Yes |
| 903-502 | CANTON | 177F | 2013-04-04 | Yes |
| 903-503 | MARSHALL | 6529 | 2001-06-15 | Yes |
| 903-504 | TYLER | 6506 | 2008-03-26 | Yes |
| 903-505 | BONHAM | 6506 | 2008-02-07 | Yes |
| 903-506 | TEXARKANA | 5562 | 2009-03-27 | Yes |
| 903-507 | TYLER | 9533 | — | — |
| 903-508 | TYLER | 6529 | — | Yes |
| 903-509 | TYLER | 9533 | — | — |
| 903-510 | TYLER | 9533 | — | — |
| 903-511 | XXXXXXXXXX | MULT | — | — |
| 903-512 | CENTERVL | 6506 | 2006-08-03 | Yes |
| 903-513 | GREENVILLE | 6506 | 2001-03-23 | Yes |
| 903-514 | GUNTER | 7715 | 2008-09-25 | — |
| 903-515 | CHANDLER | 6506 | 2003-07-16 | Yes |
| 903-516 | NECHES | 6506 | 2005-03-09 | Yes |
| 903-517 | PARIS | 6529 | 2001-01-18 | Yes |
| 903-518 | BELLSSAVOY | 177F | 2013-04-04 | Yes |
| 903-519 | CORSICANA | 6506 | 2005-03-16 | Yes |
| 903-520 | TYLER | 6534 | — | — |
| 903-521 | TYLER | 6534 | — | — |
| 903-522 | KILGORE | 6534 | — | Yes |
| 903-523 | GORDONVL | 4344 | — | Yes |
| 903-524 | WINFIELD | 4344 | — | Yes |
| 903-525 | TYLER | 9533 | — | Yes |
| 903-526 | TYLER | 9533 | — | Yes |
| 903-527 | CADDOMILLS | 2154 | — | Yes |
| 903-528 | TYLER | 9748 | — | — |
| 903-529 | MARQUEZ | 1181 | — | — |
| 903-530 | TYLER | 6534 | — | — |
| 903-531 | TYLER | 9533 | — | — |
| 903-532 | HOWE | 4344 | — | Yes |
| 903-533 | TYLER | 9533 | — | — |
| 903-534 | TYLER | 9533 | — | — |
| 903-535 | TYLER | 9533 | — | — |
| 903-536 | CENTERVL | 1181 | — | — |
| 903-537 | MT VERNON | 4344 | — | Yes |
| 903-538 | TUCKER | 2084 | — | Yes |
| 903-539 | TYLER | 6506 | — | — |
| 903-540 | XXXXXXXXXX | MULT | — | — |
| 903-541 | JACKSONVL | 4344 | — | Yes |
| 903-542 | XXXXXXXXXX | MULT | — | — |
| 903-543 | SIMMS | 1181 | — | — |
| 903-544 | LONGVIEW | 7421 | — | Yes |
| 903-545 | OAKWOOD | 1181 | — | Yes |
| 903-546 | TOM BEAN | 2154 | — | Yes |
| 903-547 | HOOKS | 1181 | — | — |
| 903-548 | DENISON | 6114 | — | — |
| 903-549 | MONTALBA | 2084 | — | — |
| 903-550 | SULPHURSPG | 7715 | 2008-09-24 | — |
| 903-551 | GUNTER | 6114 | — | Yes |
| 903-552 | BLOOMNGGRV | 6114 | — | Yes |
| 903-553 | LONGVIEW | 9533 | — | Yes |
| 903-554 | GREENVILLE | 135H | 2013-10-31 | Yes |
| 903-555 | DIR ASST | MULT | — | — |
| 903-556 | TEXARKANA | 6506 | — | — |
| 903-557 | LONGVIEW | 6529 | — | Yes |
| 903-558 | SULPHURSPG | 135H | 2013-11-06 | Yes |
| 903-559 | TEXARKANA | 6506 | — | — |
| 903-560 | WILLSPOINT | 9533 | — | Yes |
| 903-561 | TYLER | 9533 | — | — |
| 903-562 | AVINGER | 1163 | — | — |
| 903-563 | MTPLEASANT | 6506 | — | Yes |
| 903-564 | WHITESBORO | 4344 | — | Yes |
| 903-565 | TYLER | 9533 | — | Yes |
| 903-566 | TYLER | 9533 | — | — |
| 903-567 | CANTON | 4344 | — | Yes |
| 903-568 | CELESTE | 2154 | — | Yes |
| 903-569 | MINEOLA | 9533 | — | Yes |
| 903-570 | TYLER | 6506 | — | — |
| 903-571 | TYLER | 6506 | — | — |
| 903-572 | MTPLEASANT | 9533 | — | — |
| 903-573 | MTPLEASANT | 6506 | — | Yes |
| 903-574 | TYLER | 6506 | — | — |
| 903-575 | MTPLEASANT | 9533 | — | Yes |
| 903-576 | LONGVIEW | 6506 | — | — |
| 903-577 | MTPLEASANT | 9533 | — | — |
| 903-578 | MARSHALL | 6506 | — | Yes |
| 903-579 | TYLER | 9533 | — | — |
| 903-580 | REDSPRINGS | 793K | 2024-04-10 | Yes |
| 903-581 | TYLER | 9533 | — | — |
| 903-582 | BRASHEAR | 2154 | — | Yes |
| 903-583 | BONHAM | 4344 | — | — |
| 903-584 | NECHES | 2084 | — | — |
| 903-585 | MAUD | 1181 | — | Yes |
| 903-586 | JACKSONVL | 4344 | — | — |
| 903-587 | LEONARD | 4344 | — | Yes |
| 903-588 | GLADEBRNCH | 2130 | — | Yes |
| 903-589 | JACKSONVL | 4344 | — | — |
| 903-590 | TYLER | 9533 | — | Yes |
| 903-591 | TYLER | 9533 | — | — |
| 903-592 | TYLER | 9533 | — | — |
| 903-593 | TYLER | 9533 | — | — |
| 903-594 | TYLER | 9533 | — | Yes |
| 903-595 | TYLER | 9533 | — | — |
| 903-596 | TYLER | 9533 | — | — |
| 903-597 | TYLER | 9533 | — | — |
| 903-598 | POINT | 2154 | — | Yes |
| 903-599 | STREETMAN | 1181 | — | 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.