All assignees
410 prefixes in 731 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 731-504 | UNION CITY | 6673 | — | Yes |
| 731-506 | JACKSON | 4806 | — | Yes |
| 731-507 | UNION CITY | 150G | 2016-11-11 | Yes |
| 731-510 | ADAMSVILLE | 525E | 2021-06-22 | Yes |
| 731-511 | XXXXXXXXXX | MULT | — | — |
| 731-512 | JACKSON | 9419 | — | — |
| 731-513 | JACKSON | 6673 | — | Yes |
| 731-514 | MARTIN | 6673 | — | — |
| 731-518 | BOLIVAR | 829J | — | Yes |
| 731-519 | BROWNSVL | 829J | — | Yes |
| 731-520 | HENDERSON | 2891 | — | — |
| 731-529 | MICHIE | 965H | 2020-07-15 | Yes |
| 731-531 | CEDARGROVE | 624H | 2025-06-30 | Yes |
| 731-532 | BETHEL SPG | 6214 | — | Yes |
| 731-533 | PALMERSVL | 624H | 2023-05-10 | Yes |
| 731-535 | HUNTINGDON | 6214 | 2002-06-17 | Yes |
| 731-536 | TROY | 9419 | — | — |
| 731-538 | HORNBEAK | 9419 | — | — |
| 731-540 | PARIS | 4806 | — | Yes |
| 731-541 | JACKSON | 9419 | 2005-05-23 | — |
| 731-543 | PARIS | 516J | 2022-02-22 | Yes |
| 731-548 | STANTON | 0571 | — | — |
| 731-549 | SCOTTSHILL | 0575 | — | Yes |
| 731-552 | MCKENZIE | 6673 | — | — |
| 731-554 | JACKSON | 2891 | — | — |
| 731-555 | DIR ASST | MULT | — | — |
| 731-558 | CAMDEN | 2891 | — | — |
| 731-559 | BRAZIL | 598B | — | — |
| 731-562 | HUMBOLDT | 2891 | — | — |
| 731-571 | JACKSON | 6673 | — | — |
| 731-574 | JACKSON | 525E | 2006-04-12 | Yes |
| 731-577 | BETHEL SPG | 4806 | 2004-10-26 | Yes |
| 731-584 | CAMDEN | 9419 | — | — |
| 731-585 | BROWNSVL | 2891 | — | — |
| 731-586 | BRUCETON | 0575 | — | — |
| 731-587 | MARTIN | 4336 | — | — |
| 731-588 | MARTIN | 4336 | — | — |
| 731-589 | DYERSBURG | 6214 | — | — |
| 731-592 | UNION CITY | 6673 | 2005-08-16 | Yes |
| 731-593 | BIG SANDY | 9419 | — | — |
| 731-595 | HENDERSON | 829J | — | Yes |
| 731-597 | RIPLEY | 2891 | — | — |
| 731-599 | UNION CITY | 4806 | — | Yes |
| 731-600 | MCKENZIE | 525E | 2019-10-01 | Yes |
| 731-602 | LEXINGTON | 4806 | 2001-01-23 | Yes |
| 731-603 | BETHEL SPG | 124F | 2016-06-27 | Yes |
| 731-607 | SAVANNAH | 6214 | — | Yes |
| 731-608 | HENDERSON | 6214 | — | Yes |
| 731-609 | BOLIVAR | 6214 | — | Yes |
| 731-610 | SELMER | 6214 | — | — |
| 731-611 | XXXXXXXXXX | MULT | — | — |
| 731-612 | RIPLEY | 6214 | — | Yes |
| 731-613 | MILAN | 6214 | — | Yes |
| 731-614 | LEXINGTON | 6214 | — | Yes |
| 731-616 | JACKSON | 6214 | — | — |
| 731-617 | BELLS | 6214 | — | Yes |
| 731-618 | HUMBOLDT | 6214 | — | Yes |
| 731-621 | GREENFIELD | 6673 | 2001-03-23 | Yes |
| 731-623 | TIPTONVL | 829J | — | Yes |
| 731-624 | TROY | 4806 | 2004-10-26 | Yes |
| 731-625 | HUNTINGDON | 2891 | — | — |
| 731-627 | NEWBERN | 9419 | — | — |
| 731-628 | NEWBERN | 792K | 2016-10-12 | Yes |
| 731-630 | BROWNSVL | 4806 | — | Yes |
| 731-632 | ADAMSVILLE | 0552 | — | Yes |
| 731-633 | JACKSON | 829J | — | Yes |
| 731-635 | RIPLEY | 9419 | — | — |
| 731-636 | MARTIN | 6214 | — | Yes |
| 731-641 | PARIS | 9419 | — | — |
| 731-642 | PARIS | 9419 | — | — |
| 731-643 | YORKVILLE | 598B | — | Yes |
| 731-644 | PARIS | 9419 | — | — |
| 731-645 | SELMER | 9419 | — | Yes |
| 731-646 | SELMER | 9419 | — | — |
| 731-648 | GLEASON | 9419 | — | Yes |
| 731-651 | LEXINGTON | 2891 | — | — |
| 731-653 | PARIS | 2891 | — | — |
| 731-654 | SAVANNAH | 2891 | — | — |
| 731-656 | MAURY CITY | 0561 | — | Yes |
| 731-658 | BOLIVAR | 9419 | — | — |
| 731-659 | BOLIVAR | 9419 | — | Yes |
| 731-660 | JACKSON | 9419 | — | — |
| 731-661 | JACKSON | 9419 | — | Yes |
| 731-662 | ATWOOD | 0583 | — | Yes |
| 731-663 | BELLS | 9419 | — | — |
| 731-664 | JACKSON | 9419 | — | — |
| 731-665 | RUTHERFORD | 0583 | — | Yes |
| 731-666 | CAMDEN | 525E | 2017-09-27 | Yes |
| 731-668 | JACKSON | 9419 | — | — |
| 731-669 | TREZEVANT | 0583 | — | Yes |
| 731-671 | RIPLEY | 829J | — | Yes |
| 731-673 | MASON HALL | 598B | — | — |
| 731-676 | DYERSBURG | 6673 | — | — |
| 731-677 | FRIENDSHIP | 0561 | — | Yes |
| 731-678 | GREENFIELD | 792K | 2005-11-21 | Yes |
| 731-681 | GLEASON | 792K | 2005-12-22 | Yes |
| 731-686 | MILAN | 9419 | — | — |
| 731-687 | MILLEDGEVL | 0552 | — | Yes |
| 731-688 | MILLEDGEVL | 0552 | — | — |
| 731-689 | SHILOH | 0552 | — | 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.