All assignees
800 prefixes in 508 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 508-700 | — | — | ||
| 508-701 | — | — | ||
| 508-702 | — | — | ||
| 508-703 | — | — | ||
| 508-704 | — | — | ||
| 508-705 | — | — | ||
| 508-706 | — | — | ||
| 508-707 | — | — | ||
| 508-708 | — | — | ||
| 508-709 | NORTHBORO | 4018 | — | Yes |
| 508-710 | — | — | ||
| 508-711 | XXXXXXXXXX | MULT | — | — |
| 508-712 | — | — | ||
| 508-713 | WORCESTER | 7229 | — | Yes |
| 508-714 | WHITINSVL | 4018 | — | Yes |
| 508-715 | EBRIDGEWTR | 4018 | — | Yes |
| 508-716 | NANTUCKET | 6083 | — | — |
| 508-717 | NEWBEDFORD | 829J | — | Yes |
| 508-718 | FOXBORO | 7229 | — | Yes |
| 508-719 | SHREWSBURY | 829J | — | Yes |
| 508-720 | NATICK | 829J | — | Yes |
| 508-721 | AUBURN | 9102 | — | Yes |
| 508-722 | AUBURN | 990E | — | — |
| 508-723 | WORCESTER | 9102 | — | Yes |
| 508-724 | NEWBEDFORD | 6387 | 2026-09-04 | Yes |
| 508-725 | WALPOLE | 6889 | — | Yes |
| 508-726 | MARLBORO | 5562 | — | Yes |
| 508-727 | AUBURN | 990E | — | — |
| 508-728 | ROCHESTER | 6387 | — | — |
| 508-729 | AUBURN | 9102 | — | — |
| 508-730 | FALL RIVER | 9102 | — | Yes |
| 508-731 | OXFORD | 792K | 2004-05-04 | Yes |
| 508-732 | PLYMOUTH | 9102 | — | Yes |
| 508-733 | FRAMINGHAM | 4036 | — | — |
| 508-734 | WALPOLE | 4018 | 2001-02-16 | Yes |
| 508-735 | WORCESTER | 6387 | — | — |
| 508-736 | WORCESTER | 4036 | 2001-02-21 | — |
| 508-737 | HYANNIS | 6387 | — | — |
| 508-738 | TAUNTON | 4018 | 2001-02-16 | Yes |
| 508-739 | FRAMINGHAM | 7229 | — | Yes |
| 508-740 | FRAMINGHAM | 5562 | — | Yes |
| 508-741 | BROCKTON | 6083 | — | — |
| 508-742 | NEWBEDFORD | 829J | — | Yes |
| 508-743 | BUZZARDSBY | 9102 | — | Yes |
| 508-744 | BARNSTABLE | 7135 | — | Yes |
| 508-745 | NATICK | 6387 | — | Yes |
| 508-746 | PLYMOUTH | 9102 | — | — |
| 508-747 | PLYMOUTH | 9102 | — | — |
| 508-748 | MARION | 9102 | — | Yes |
| 508-749 | WORCESTER | 829J | — | — |
| 508-750 | PROVINCETN | 6083 | — | — |
| 508-751 | WORCESTER | 9102 | — | Yes |
| 508-752 | WORCESTER | 9102 | — | — |
| 508-753 | WORCESTER | 9102 | — | — |
| 508-754 | WORCESTER | 9102 | — | — |
| 508-755 | WORCESTER | 9102 | — | — |
| 508-756 | WORCESTER | 9102 | — | — |
| 508-757 | WORCESTER | 9102 | — | — |
| 508-758 | MATTAPOSTT | 9102 | — | Yes |
| 508-759 | BUZZARDSBY | 9102 | — | — |
| 508-760 | DENNIS | 9102 | — | — |
| 508-761 | SOUTHGATE | 9102 | — | Yes |
| 508-762 | WORCESTER | 7135 | — | Yes |
| 508-763 | ROCHESTER | 9102 | — | Yes |
| 508-764 | SOUTHBDG | 9102 | — | — |
| 508-765 | SOUTHBDG | 9102 | — | — |
| 508-766 | FRAMINGHAM | 9102 | — | Yes |
| 508-767 | WORCESTER | 9102 | — | Yes |
| 508-768 | WESTBORO | 829J | — | Yes |
| 508-769 | WORCESTER | 6387 | — | — |
| 508-770 | WORCESTER | 9102 | — | Yes |
| 508-771 | HYANNIS | 9102 | — | — |
| 508-772 | FOXBORO | 829J | — | Yes |
| 508-773 | FRANKLIN | 6083 | — | — |
| 508-774 | FALL RIVER | 6387 | 2025-04-14 | Yes |
| 508-775 | HYANNIS | 9102 | — | — |
| 508-776 | HYANNIS | 6387 | — | — |
| 508-777 | OSTERVILLE | 6083 | — | — |
| 508-778 | HYANNIS | 9102 | — | — |
| 508-779 | UXBRIDGE | 792K | 2004-05-28 | Yes |
| 508-780 | DOVER | 9102 | — | — |
| 508-781 | NEWBEDFORD | 6387 | 2025-11-26 | Yes |
| 508-782 | FRAMINGHAM | 7135 | — | Yes |
| 508-783 | LAWRENCE | 4036 | — | — |
| 508-784 | CHARLTON | 829J | — | Yes |
| 508-785 | DOVER | 9102 | — | Yes |
| 508-786 | MARLBORO | 9102 | — | Yes |
| 508-787 | MARLBORO | 9102 | — | Yes |
| 508-788 | FRAMINGHAM | 9102 | — | Yes |
| 508-789 | ROCHESTER | 6387 | — | — |
| 508-790 | HYANNIS | 9102 | — | — |
| 508-791 | WORCESTER | 9102 | — | — |
| 508-792 | WORCESTER | 9102 | — | Yes |
| 508-793 | WORCESTER | 9102 | — | — |
| 508-794 | MILLIS | 318J | — | Yes |
| 508-795 | WORCESTER | 9102 | — | — |
| 508-796 | WORCESTER | 7229 | — | Yes |
| 508-797 | WORCESTER | 9102 | — | Yes |
| 508-798 | WORCESTER | 9102 | — | — |
| 508-799 | WORCESTER | 9102 | — | — |
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.