All assignees
800 prefixes in 508 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 508-800 | WALPOLE | 9102 | — | — |
| 508-801 | WALPOLE | 6889 | — | Yes |
| 508-802 | TAUNTON | 829J | — | Yes |
| 508-803 | FRANKLIN | 7229 | — | Yes |
| 508-804 | MARLBORO | 7135 | — | Yes |
| 508-805 | ATTLEBORO | 6083 | — | — |
| 508-806 | AUBURN | 9748 | — | — |
| 508-807 | BRIDGEWTR | 318J | — | Yes |
| 508-808 | FRAMINGHAM | 7135 | — | Yes |
| 508-809 | NO ATTLEBO | 829J | — | Yes |
| 508-810 | NATICK | 7229 | — | Yes |
| 508-811 | XXXXXXXXXX | MULT | — | — |
| 508-812 | NO SWANSEA | 4018 | 2004-08-16 | Yes |
| 508-813 | TAUNTON | 4036 | — | — |
| 508-814 | WORCESTER | 9102 | — | — |
| 508-815 | HYANNIS | 7619 | — | Yes |
| 508-816 | FRAMINGHAM | 6889 | — | Yes |
| 508-817 | NEWBEDFORD | 6387 | — | Yes |
| 508-818 | BROCKTON | 829J | — | Yes |
| 508-819 | BRIDGEWTR | 829J | — | Yes |
| 508-820 | FRAMINGHAM | 9102 | — | — |
| 508-821 | TAUNTON | 9102 | — | Yes |
| 508-822 | TAUNTON | 9102 | — | — |
| 508-823 | TAUNTON | 9102 | — | — |
| 508-824 | TAUNTON | 9102 | — | — |
| 508-825 | NANTUCKET | 9102 | — | Yes |
| 508-826 | WORCESTER | 4036 | — | — |
| 508-827 | HYANNIS | 7135 | — | Yes |
| 508-828 | TAUNTON | 9102 | — | Yes |
| 508-829 | HOLDEN | 9102 | — | — |
| 508-830 | PLYMOUTH | 9102 | — | — |
| 508-831 | WORCESTER | 9102 | — | Yes |
| 508-832 | AUBURN | 9102 | — | — |
| 508-833 | SAGAMORE | 9102 | — | — |
| 508-834 | FRAMINGHAM | 990E | — | Yes |
| 508-835 | W BOYLSTON | 9102 | — | Yes |
| 508-836 | WESTBORO | 9102 | — | — |
| 508-837 | FALL RIVER | 829J | — | Yes |
| 508-838 | ATTLEBORO | 7135 | — | Yes |
| 508-839 | GRAFTON | 9102 | — | — |
| 508-840 | ATTLEBORO | 5562 | 2008-07-23 | Yes |
| 508-841 | SHREWSBURY | 9102 | — | Yes |
| 508-842 | SHREWSBURY | 9102 | — | — |
| 508-843 | BEVERLY | 4036 | — | — |
| 508-844 | TAUNTON | 7135 | — | Yes |
| 508-845 | SHREWSBURY | 9102 | — | Yes |
| 508-846 | BROCKTON | 4036 | — | — |
| 508-847 | WORCESTER | 4036 | — | — |
| 508-848 | FRAMINGHAM | 829J | — | Yes |
| 508-849 | WORCESTER | 9102 | — | Yes |
| 508-850 | WALPOLE | 9102 | — | Yes |
| 508-851 | MANSFIELD | 9102 | — | Yes |
| 508-852 | WORCESTER | 9102 | — | — |
| 508-853 | WORCESTER | 9102 | — | — |
| 508-854 | WORCESTER | 9102 | — | — |
| 508-855 | WORCESTER | 9102 | — | — |
| 508-856 | WORCESTER | 9102 | — | — |
| 508-857 | BROCKTON | 318J | — | Yes |
| 508-858 | NEWBEDFORD | 4018 | — | Yes |
| 508-859 | LEICESTER | 4018 | 2004-08-16 | Yes |
| 508-860 | WORCESTER | 9102 | — | Yes |
| 508-861 | FRAMINGHAM | 7229 | — | Yes |
| 508-862 | HYANNIS | 9102 | — | — |
| 508-863 | ROCHESTER | 6889 | — | Yes |
| 508-864 | AUBURN | 6387 | — | — |
| 508-865 | MILLBURY | 9102 | — | — |
| 508-866 | CARVER | 9102 | — | Yes |
| 508-867 | NOBROOKFLD | 9102 | — | — |
| 508-868 | WORCESTER | 6387 | — | — |
| 508-869 | BOYLSTON | 9102 | — | Yes |
| 508-870 | WESTBORO | 9102 | — | — |
| 508-871 | WESTBORO | 9102 | — | Yes |
| 508-872 | FRAMINGHAM | 9102 | — | — |
| 508-873 | WORCESTER | 4036 | — | — |
| 508-874 | STURBRIDGE | 6083 | — | — |
| 508-875 | FRAMINGHAM | 9102 | — | — |
| 508-876 | BLACKSTONE | 9102 | — | Yes |
| 508-877 | FRAMINGHAM | 9102 | — | — |
| 508-878 | CAMBRIDGE | 4036 | — | — |
| 508-879 | FRAMINGHAM | 9102 | — | — |
| 508-880 | TAUNTON | 9102 | — | — |
| 508-881 | FRAMINGHAM | 9102 | — | — |
| 508-882 | OAKHAM | 9102 | — | Yes |
| 508-883 | BLACKSTONE | 9102 | — | — |
| 508-884 | TAUNTON | 9102 | — | Yes |
| 508-885 | SPENCER | 9102 | — | — |
| 508-886 | RUTLAND | 9102 | — | Yes |
| 508-887 | GRAFTON | 9102 | — | Yes |
| 508-888 | SAGAMORE | 9102 | — | — |
| 508-889 | ROCHESTER | 5562 | — | Yes |
| 508-890 | WORCESTER | 9102 | — | — |
| 508-891 | FALMOUTH | 9102 | — | — |
| 508-892 | LEICESTER | 9102 | — | Yes |
| 508-893 | HOLLISTON | 9102 | — | Yes |
| 508-894 | BROCKTON | 9102 | — | Yes |
| 508-895 | BROCKTON | 9102 | — | Yes |
| 508-896 | BREWSTER | 9102 | — | — |
| 508-897 | BROCKTON | 9102 | — | Yes |
| 508-898 | WESTBORO | 9102 | — | — |
| 508-899 | AUBURN | 990E | — | — |
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.