All assignees
512 prefixes in 681 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 681-500 | HNTNGTNZN4 | 965H | 2019-08-12 | Yes |
| 681-501 | CLAY | 939H | 2023-09-15 | Yes |
| 681-502 | EAST BANK | 939H | 2023-09-15 | Yes |
| 681-503 | GLENDANIEL | 939H | 2023-09-15 | Yes |
| 681-504 | WINFIELD | 077G | 2023-12-04 | Yes |
| 681-505 | CHRLSTNZN4 | 6529 | 2018-06-13 | Yes |
| 681-506 | MAN | 939H | 2023-09-15 | Yes |
| 681-507 | PRKRSBGZN1 | 6534 | 2023-09-15 | Yes |
| 681-508 | WHELNGZON1 | 6701 | 2017-08-04 | Yes |
| 681-509 | PRKRSBGZN1 | 449F | 2023-09-21 | Yes |
| 681-510 | BLUEFIELD | 624H | 2019-10-07 | Yes |
| 681-511 | MULT | — | — | |
| 681-512 | WHELNGZON5 | 449F | 2023-09-21 | Yes |
| 681-513 | MARTINSBG | 449F | 2023-09-21 | Yes |
| 681-514 | LOGAN | 6394 | 2023-09-27 | Yes |
| 681-515 | NEW HAVEN | 612K | 2013-07-29 | Yes |
| 681-516 | GAULEY BDG | 965H | 2019-09-20 | Yes |
| 681-517 | LOST RIVER | 6701 | 2023-09-27 | Yes |
| 681-518 | CHRLSTNZN3 | 6529 | 2023-11-14 | Yes |
| 681-519 | CHRLSTNZN1 | 4036 | 2023-12-21 | Yes |
| 681-520 | HNTNGTNZN1 | 4036 | 2023-12-21 | Yes |
| 681-521 | HNTNGTNZN1 | 4036 | 2024-02-08 | Yes |
| 681-522 | WEIRTON | 6701 | 2015-06-26 | Yes |
| 681-523 | CHRLSTNZN1 | 4036 | 2024-02-16 | Yes |
| 681-524 | FRANKLIN | 6701 | 2024-02-20 | Yes |
| 681-525 | FARMINGTON | 612K | 2015-06-30 | Yes |
| 681-526 | FAIRMONT | 6701 | 2024-03-04 | Yes |
| 681-527 | LOGAN | 4036 | 2024-03-26 | Yes |
| 681-528 | PRKRSBGZN1 | 6534 | 2024-03-28 | Yes |
| 681-529 | HNTNGTNZN1 | 965H | 2019-08-12 | Yes |
| 681-530 | FAIRMONT | 489F | 2024-04-10 | Yes |
| 681-531 | GORMANIA | 449F | 2024-04-23 | Yes |
| 681-532 | MULLENS | 5833 | 2013-08-02 | Yes |
| 681-533 | WESTON | 080F | 2010-12-14 | Yes |
| 681-534 | MARTINSBG | 6855 | 2024-04-24 | Yes |
| 681-535 | HNTNGTNZN1 | 4036 | 2025-03-14 | Yes |
| 681-536 | LOGAN | 4036 | 2024-05-14 | Yes |
| 681-537 | PRKRSBGZN1 | 6534 | 2024-05-14 | Yes |
| 681-538 | LOGAN | 4036 | 2024-05-14 | Yes |
| 681-539 | SOPHIA | 612K | 2014-01-28 | Yes |
| 681-540 | HARPESFRRY | 449F | 2020-04-14 | Yes |
| 681-541 | PRKRSBGZN1 | 6534 | 2024-07-25 | Yes |
| 681-542 | CHRLSTNZN1 | 4036 | 2024-07-25 | Yes |
| 681-543 | SUMMERSVL | 6529 | 2024-08-06 | Yes |
| 681-544 | CHARLES TN | 622J | 2021-09-09 | Yes |
| 681-545 | DAYBROOK | 7421 | 2024-08-12 | Yes |
| 681-546 | ROCK CAVE | 4036 | 2026-06-03 | Yes |
| 681-547 | SHEPHEDSTN | 624H | 2024-09-27 | Yes |
| 681-548 | LEWISBURG | 7229 | 2024-11-11 | Yes |
| 681-549 | CHRLSTNZN1 | 4036 | 2024-11-15 | Yes |
| 681-550 | WALKERSVL | 449F | 2018-12-26 | Yes |
| 681-551 | PRKRSBGZN1 | 6534 | 2024-11-15 | Yes |
| 681-552 | CHRLSTNZN1 | 4036 | 2024-11-22 | Yes |
| 681-553 | CHRLSTNZN1 | 4036 | 2024-11-22 | Yes |
| 681-554 | HNTNGTNZN1 | 4036 | 2024-11-23 | Yes |
| 681-555 | MULT | — | — | |
| 681-556 | PRKRSBGZN1 | 6534 | 2024-11-23 | Yes |
| 681-557 | CHRLSTNZN1 | 928H | 2024-12-09 | Yes |
| 681-558 | CHRLSTNZN1 | 6940 | 2025-04-25 | Yes |
| 681-559 | CHRLSTNZN1 | 4036 | 2026-02-25 | Yes |
| 681-560 | HNTNGTNZN1 | 4036 | 2025-02-13 | Yes |
| 681-561 | LOGAN | 4036 | 2026-07-09 | Yes |
| 681-562 | PRKRSBGZN1 | 6534 | 2026-07-22 | Yes |
| 681-563 | HNTNGTNZN1 | 4036 | 2026-08-27 | Yes |
| 681-564 | CHRLSTNZN1 | 4036 | 2026-09-02 | Yes |
| 681-565 | CHRLSTNZN1 | 4036 | 2026-09-02 | Yes |
| 681-566 | KINGWOOD | 6284 | 2025-05-28 | Yes |
| 681-567 | KINGWOOD | 6284 | 2025-05-28 | Yes |
| 681-568 | KINGWOOD | 6284 | 2025-05-28 | Yes |
| 681-569 | KINGWOOD | 6284 | 2025-05-28 | Yes |
| 681-570 | KINGWOOD | 6284 | 2025-05-28 | Yes |
| 681-571 | HNTNGTNZN1 | 4036 | 2025-06-04 | Yes |
| 681-572 | MARTINSBG | 4036 | 2025-06-26 | Yes |
| 681-573 | PRKRSBGZN1 | 6534 | 2025-06-26 | Yes |
| 681-574 | PRKRSBGZN1 | 6534 | 2025-06-26 | Yes |
| 681-575 | MARTINSBG | 6394 | 2025-06-27 | Yes |
| 681-576 | CHRLSTNZN1 | 4036 | 2025-07-10 | Yes |
| 681-578 | ARNOLDSBG | 508J | 2015-09-03 | Yes |
| 681-579 | CHRLSTNZN1 | 700J | 2025-08-20 | Yes |
| 681-580 | BLUEFIELD | 080F | 2025-09-16 | Yes |
| 681-581 | VAN | 449F | 2020-02-20 | Yes |
| 681-582 | HNTNGTNZN1 | 4036 | 2025-10-17 | Yes |
| 681-583 | LOGAN | 4036 | 2025-10-22 | Yes |
| 681-584 | LOGAN | 4036 | 2025-10-22 | Yes |
| 681-585 | MIDDLEBORN | 449F | 2020-11-24 | Yes |
| 681-586 | LOGAN | 4036 | 2025-11-10 | Yes |
| 681-587 | CHRLSTNZN1 | 508J | 2015-04-28 | Yes |
| 681-588 | PRKRSBGZN1 | 6529 | 2018-06-13 | Yes |
| 681-589 | ROMNEY | 449F | 2018-12-26 | Yes |
| 681-590 | ANSTED | 6529 | 2025-07-24 | Yes |
| 681-591 | LOGAN | 4036 | 2025-11-10 | Yes |
| 681-592 | HNTNGTNZN1 | 4036 | 2025-11-17 | Yes |
| 681-593 | HNTNGTNZN1 | 4036 | 2025-11-17 | Yes |
| 681-594 | HNTNGTNZN1 | 4036 | 2025-11-17 | Yes |
| 681-595 | EAST BANK | 449F | 2020-11-24 | Yes |
| 681-596 | MORGANTOWN | 700J | 2026-02-13 | Yes |
| 681-597 | MARTINSBG | 4036 | 2026-02-19 | Yes |
| 681-598 | HNTNGTNZN1 | 4036 | 2026-03-02 | Yes |
| 681-599 | PRKRSBGZN1 | 6534 | 2026-03-03 | Yes |
| 681-600 | CLARKSBURG | 449F | 2018-12-11 | 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.