All assignees
543 prefixes in 774 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 774-501 | TAUNTON | 6387 | 2001-06-29 | Yes |
| 774-502 | WORCESTER | 6387 | 2012-12-06 | Yes |
| 774-503 | ROCHESTER | 6387 | 2013-08-08 | Yes |
| 774-504 | TAUNTON | 6387 | 2013-08-09 | Yes |
| 774-505 | FRAMINGHAM | 6387 | 2014-04-16 | Yes |
| 774-506 | BROCKTON | 7229 | 2022-01-19 | Yes |
| 774-507 | MEDWAY | 990E | 2014-05-21 | Yes |
| 774-508 | WELLFLEET | 6889 | 2023-07-06 | Yes |
| 774-509 | FRAMINGHAM | 6387 | 2013-08-08 | Yes |
| 774-510 | NEWBEDFORD | 6387 | 2015-06-04 | Yes |
| 774-511 | XXXXXXXXXX | MULT | — | — |
| 774-512 | WESTBORO | 829J | 2007-09-14 | Yes |
| 774-513 | WESTBORO | 6387 | 2014-05-29 | Yes |
| 774-514 | GRAFTON | 892D | 2021-04-01 | Yes |
| 774-515 | BOYLSTON | 990E | 2014-07-31 | Yes |
| 774-516 | EBRIDGEWTR | 7229 | 2001-03-20 | Yes |
| 774-517 | BROCKTON | 6889 | 2014-11-19 | Yes |
| 774-518 | FALL RIVER | 6889 | 2022-01-27 | Yes |
| 774-519 | WORCESTER | 6889 | 2022-01-27 | Yes |
| 774-520 | FALL RIVER | 892D | 2014-12-16 | Yes |
| 774-521 | OSTERVILLE | 829J | 2001-08-24 | Yes |
| 774-522 | FRAMINGHAM | 6889 | 2022-02-24 | Yes |
| 774-523 | WEBSTER | 7229 | 2022-05-11 | Yes |
| 774-524 | ROCHESTER | 6889 | 2024-01-12 | Yes |
| 774-525 | WORCESTER | 732J | — | Yes |
| 774-526 | FALL RIVER | 6889 | 2002-02-19 | Yes |
| 774-527 | HOLLISTON | 892D | 2021-04-01 | Yes |
| 774-528 | FALL RIVER | 6889 | 2022-11-08 | Yes |
| 774-529 | MANSFIELD | 6889 | 2023-09-21 | Yes |
| 774-530 | WORCESTER | 4018 | — | Yes |
| 774-531 | WHITINSVL | 6889 | 2024-01-16 | Yes |
| 774-532 | NEWBEDFORD | 939H | 2024-02-09 | Yes |
| 774-533 | BRIDGEWTR | 624H | 2021-03-17 | Yes |
| 774-534 | BARNSTABLE | 4036 | 2015-09-29 | Yes |
| 774-535 | WORCESTER | 5562 | 2001-03-20 | Yes |
| 774-536 | FALL RIVER | 939H | 2024-02-09 | Yes |
| 774-537 | UPTON | 892D | 2021-04-01 | Yes |
| 774-538 | PROVINCETN | 4018 | 2006-12-21 | Yes |
| 774-539 | BROCKTON | 268F | 2016-08-05 | Yes |
| 774-540 | FRAMINGHAM | 6889 | 2015-01-22 | Yes |
| 774-541 | WALPOLE | 6387 | 2015-12-22 | Yes |
| 774-542 | RUTLAND | 892D | 2021-04-01 | Yes |
| 774-543 | BARNSTABLE | 6889 | — | Yes |
| 774-544 | WEBSTER | 892D | 2020-05-15 | Yes |
| 774-545 | GRAFTON | 6387 | 2007-06-18 | Yes |
| 774-546 | DENNIS | 6387 | 2023-11-14 | Yes |
| 774-547 | SIASCONSET | 892D | 2021-04-01 | Yes |
| 774-548 | WORCESTER | 6889 | 2024-03-12 | Yes |
| 774-549 | EDGARTOWN | 318J | — | Yes |
| 774-550 | AUBURN | 939H | 2023-09-26 | Yes |
| 774-551 | GRAFTON | 829J | 2001-03-28 | Yes |
| 774-552 | HYANNIS | 9102 | 2002-08-15 | Yes |
| 774-553 | MARION | 268F | 2001-07-06 | Yes |
| 774-554 | XXXXXXXXXX | 9102 | — | — |
| 774-555 | DIR ASST | MULT | — | — |
| 774-556 | MARLBORO | 6387 | 2016-02-26 | Yes |
| 774-557 | BUZZARDSBY | 624H | 2021-03-17 | Yes |
| 774-558 | BROCKTON | 6889 | 2024-05-09 | Yes |
| 774-559 | BARNSTABLE | 268F | 2016-08-05 | Yes |
| 774-560 | FALMOUTH | 6387 | 2024-05-13 | Yes |
| 774-561 | ORLEANS | 892D | 2016-03-09 | Yes |
| 774-562 | SEEKONK | 6387 | 2024-05-17 | Yes |
| 774-563 | VINEYRDHVN | 6387 | 2001-11-28 | Yes |
| 774-564 | BARNSTABLE | 6889 | 2024-07-01 | Yes |
| 774-565 | REHOBOTH | 318J | 2001-03-20 | Yes |
| 774-566 | GRAFTON | 939H | 2023-09-26 | Yes |
| 774-567 | DOVER | 4018 | 2006-05-15 | Yes |
| 774-568 | EASTON | 7229 | 2001-03-27 | Yes |
| 774-569 | WORCESTER | 4036 | 2025-06-26 | Yes |
| 774-570 | SHREWSBURY | 6387 | 2015-04-03 | Yes |
| 774-571 | FRANKLIN | 6387 | 2001-06-15 | Yes |
| 774-572 | OXFORD | 892D | 2021-04-01 | Yes |
| 774-573 | MILFORD | 6387 | 2001-09-13 | Yes |
| 774-574 | LEICESTER | 892D | 2021-04-01 | Yes |
| 774-575 | WORCESTER | 0051 | 2026-05-04 | — |
| 774-577 | MATTAPOSTT | 892D | 2021-04-01 | Yes |
| 774-578 | WORCESTER | 5562 | 2008-07-24 | Yes |
| 774-581 | FOXBORO | 5562 | 2010-08-12 | Yes |
| 774-582 | MATTAPOSTT | 318J | — | Yes |
| 774-586 | MILFORD | 6889 | 2023-10-20 | Yes |
| 774-587 | BARNSTABLE | 6889 | 2025-07-30 | Yes |
| 774-593 | PROVINCETN | 990E | — | Yes |
| 774-599 | MARLBORO | 965H | 2021-07-15 | Yes |
| 774-600 | OAKHAM | 892D | 2016-03-14 | Yes |
| 774-601 | SOUTHBDG | 6387 | 2015-10-08 | Yes |
| 774-602 | OSTERVILLE | 6387 | 2015-10-08 | Yes |
| 774-606 | ATTLEBORO | 4036 | 2014-03-27 | Yes |
| 774-608 | PLYMOUTH | 6387 | 2016-06-17 | Yes |
| 774-611 | XXXXXXXXXX | MULT | — | — |
| 774-612 | FALMOUTH | 073H | — | Yes |
| 774-613 | FRANKLIN | 990E | — | Yes |
| 774-614 | BOYLSTON | 829J | 2001-07-23 | Yes |
| 774-615 | FRAMINGHAM | 5562 | 2016-08-22 | Yes |
| 774-619 | BRIDGEWTR | 829J | 2001-03-20 | Yes |
| 774-622 | HOLDEN | 516J | 2022-02-16 | Yes |
| 774-623 | BARNSTABLE | 516J | 2021-05-14 | Yes |
| 774-625 | BARNSTABLE | 6889 | 2024-11-01 | Yes |
| 774-627 | FALL RIVER | 5562 | 2006-03-29 | Yes |
| 774-628 | NEWBEDFORD | 829J | 2001-03-28 | Yes |
| 774-632 | TAUNTON | 516J | 2022-02-07 | 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.