All assignees
800 prefixes in 617 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 617-700 | — | — | ||
| 617-701 | SO BOSTON | 7229 | — | Yes |
| 617-702 | SOMERVILLE | 7229 | — | Yes |
| 617-703 | CAMBRIDGE | 9748 | — | — |
| 617-704 | DORCHESTER | 7229 | — | Yes |
| 617-705 | HYDE PARK | 9102 | — | — |
| 617-706 | QUINCY | 7229 | — | Yes |
| 617-707 | DORCHESTER | 6083 | — | — |
| 617-708 | ROXBURY | 7619 | — | Yes |
| 617-709 | — | — | ||
| 617-710 | CAMBRIDGE | 4036 | — | — |
| 617-711 | XXXXXXXXXX | MULT | — | — |
| 617-712 | CHARLESTN | 7229 | — | Yes |
| 617-713 | BROOKLINE | 9102 | — | — |
| 617-714 | CAMBRIDGE | 7229 | — | Yes |
| 617-715 | CAMBRIDGE | 829J | — | — |
| 617-716 | EASTBOSTON | 7229 | — | Yes |
| 617-717 | BOSTON | 7135 | — | Yes |
| 617-718 | SOMERVILLE | 7619 | — | Yes |
| 617-719 | BOSTON | 5562 | — | Yes |
| 617-720 | BOSTON | 9102 | — | — |
| 617-721 | BOSTON | 6387 | — | — |
| 617-722 | BOSTON | 9102 | — | — |
| 617-723 | BOSTON | 9102 | — | — |
| 617-724 | BOSTON | 9102 | — | — |
| 617-725 | BOSTON | 9102 | — | — |
| 617-726 | BOSTON | 9102 | — | — |
| 617-727 | BOSTON | 9102 | — | — |
| 617-728 | BOSTON | 9102 | — | — |
| 617-729 | QUINCY | 4018 | — | Yes |
| 617-730 | BROOKLINE | 9102 | — | — |
| 617-731 | BROOKLINE | 9102 | — | — |
| 617-732 | BROOKLINE | 9102 | — | — |
| 617-733 | BOSTON | 6387 | — | — |
| 617-734 | BROOKLINE | 9102 | — | — |
| 617-735 | BROOKLINE | 9102 | — | Yes |
| 617-736 | — | — | ||
| 617-737 | BOSTON | 9102 | — | — |
| 617-738 | BROOKLINE | 9102 | — | — |
| 617-739 | BROOKLINE | 9102 | — | — |
| 617-740 | DORCHESTER | 9102 | — | Yes |
| 617-741 | SOMERVILLE | 4018 | — | Yes |
| 617-742 | BOSTON | 9102 | — | — |
| 617-743 | BOSTON | 9102 | — | — |
| 617-744 | WATERTOWN | 318J | — | Yes |
| 617-745 | QUINCY | 9102 | — | — |
| 617-746 | BRIGHTON | 9102 | — | — |
| 617-747 | BOSTON | 7135 | — | — |
| 617-748 | BOSTON | 9102 | — | — |
| 617-749 | ROXBURY | 892D | — | Yes |
| 617-750 | QUINCY | 4036 | — | — |
| 617-751 | BROOKLINE | 4018 | — | Yes |
| 617-752 | SO BOSTON | 7229 | — | Yes |
| 617-753 | BOSTON | 9102 | — | — |
| 617-754 | BROOKLINE | 9102 | — | — |
| 617-755 | BOSTON | 4036 | — | — |
| 617-756 | BOSTON | 5562 | 2007-03-30 | Yes |
| 617-757 | BOSTON | 9102 | — | — |
| 617-758 | CAMBRIDGE | 829J | — | Yes |
| 617-759 | DEDHAM | 4036 | — | — |
| 617-760 | BOSTON | 9102 | — | — |
| 617-761 | CAMBRIDGE | 9102 | — | Yes |
| 617-762 | NEWTON | 4018 | — | Yes |
| 617-763 | BOSTON | 4036 | — | — |
| 617-764 | SOMERVILLE | 318J | — | Yes |
| 617-765 | SO BOSTON | 4018 | 2002-02-27 | Yes |
| 617-766 | SO BOSTON | 7135 | — | Yes |
| 617-767 | SOMERVILLE | 5562 | 2001-03-09 | Yes |
| 617-768 | CAMBRIDGE | 9102 | — | Yes |
| 617-769 | QUINCY | 9102 | — | Yes |
| 617-770 | QUINCY | 9102 | — | — |
| 617-771 | MALDEN | 4036 | — | — |
| 617-772 | BOSTON | 9102 | — | — |
| 617-773 | QUINCY | 9102 | — | — |
| 617-774 | QUINCY | 9102 | — | Yes |
| 617-775 | NEWTON | 4036 | — | — |
| 617-776 | SOMERVILLE | 9102 | — | — |
| 617-777 | BOSTON | 6889 | 2001-10-01 | Yes |
| 617-778 | BOSTON | 829J | — | Yes |
| 617-779 | BRIGHTON | 9102 | — | Yes |
| 617-780 | BOSTON | 6387 | — | — |
| 617-781 | DORCHESTER | 939H | 2024-02-09 | Yes |
| 617-782 | BRIGHTON | 9102 | — | — |
| 617-783 | BRIGHTON | 9102 | — | — |
| 617-784 | BOSTON | 4036 | — | — |
| 617-785 | BOSTON | 6889 | 2004-09-28 | Yes |
| 617-786 | QUINCY | 9102 | — | Yes |
| 617-787 | BRIGHTON | 9102 | — | — |
| 617-788 | BOSTON | 9102 | — | — |
| 617-789 | BRIGHTON | 9102 | — | Yes |
| 617-790 | BOSTON | 9102 | — | — |
| 617-791 | SAUGUS | 4036 | — | — |
| 617-792 | ROXBURY | 6889 | — | — |
| 617-793 | QUINCY | 7135 | — | Yes |
| 617-794 | BOSTON | 4036 | — | — |
| 617-795 | NEWTON | 7619 | — | Yes |
| 617-796 | NEWTON | 9102 | — | — |
| 617-797 | SAUGUS | 6387 | — | — |
| 617-798 | CAMBRIDGE | 990E | — | Yes |
| 617-799 | BOSTON | 5562 | — | 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.