All assignees
800 prefixes in 617 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 617-800 | CAMBRIDGE | 7619 | — | Yes |
| 617-801 | QUINCY | 829J | — | Yes |
| 617-802 | CAMBRIDGE | 9102 | — | Yes |
| 617-803 | CAMBRIDGE | 4036 | — | — |
| 617-804 | QUINCY | 990E | — | Yes |
| 617-805 | — | — | ||
| 617-806 | CAMBRIDGE | 9102 | — | Yes |
| 617-807 | BOSTON | 829J | 2010-05-17 | Yes |
| 617-808 | — | — | ||
| 617-809 | — | — | ||
| 617-810 | — | — | ||
| 617-811 | XXXXXXXXXX | MULT | — | — |
| 617-812 | CAMBRIDGE | 892D | — | — |
| 617-813 | — | — | ||
| 617-814 | BOSTON | 9102 | — | — |
| 617-815 | — | — | ||
| 617-816 | BOSTON | 4036 | — | — |
| 617-817 | BRIGHTON | 4036 | — | — |
| 617-818 | BOSTON | 6889 | — | — |
| 617-819 | CHELSEA | 7229 | — | Yes |
| 617-820 | BOSTON | 4018 | 2004-09-02 | Yes |
| 617-821 | CAMBRIDGE | 6889 | — | Yes |
| 617-822 | DORCHESTER | 9102 | — | — |
| 617-823 | BOSTON | 6387 | — | — |
| 617-824 | BOSTON | 7135 | — | Yes |
| 617-825 | DORCHESTER | 9102 | — | — |
| 617-826 | BELMONT | 4018 | — | Yes |
| 617-827 | WEYMOUTH | 4036 | — | — |
| 617-828 | BOSTON | 5562 | — | Yes |
| 617-829 | QUINCY | 321J | — | Yes |
| 617-830 | BOSTON | 671J | 2005-02-15 | Yes |
| 617-831 | NEWTON | 7229 | — | Yes |
| 617-832 | BOSTON | 9102 | — | Yes |
| 617-833 | HYDE PARK | 829J | — | Yes |
| 617-834 | BOSTON | 4036 | — | — |
| 617-835 | BOSTON | 6387 | — | — |
| 617-836 | CAMBRIDGE | 6083 | — | — |
| 617-837 | QUINCY | 4018 | — | Yes |
| 617-838 | BOSTON | 4036 | — | — |
| 617-839 | BOSTON | 5562 | — | Yes |
| 617-840 | BOSTON | 4036 | — | — |
| 617-841 | WINTHROP | 4018 | — | Yes |
| 617-842 | QUINCY | 4036 | — | — |
| 617-843 | EVERETT | 892D | — | Yes |
| 617-844 | CAMBRIDGE | 829J | — | — |
| 617-845 | QUINCY | 7229 | — | Yes |
| 617-846 | WINTHROP | 9102 | — | — |
| 617-847 | QUINCY | 9102 | — | Yes |
| 617-848 | BOSTON | 4018 | — | Yes |
| 617-849 | BOSTON | 4036 | 2006-06-20 | Yes |
| 617-850 | BOSTON | 7135 | — | Yes |
| 617-851 | BOSTON | 6387 | — | — |
| 617-852 | CAMBRIDGE | 4036 | — | — |
| 617-853 | NEWTON | 6083 | — | — |
| 617-854 | BOSTON | 9102 | — | Yes |
| 617-855 | BELMONT | 9102 | — | Yes |
| 617-856 | BOSTON | 9102 | — | — |
| 617-857 | BROOKLINE | 990E | 2024-09-25 | Yes |
| 617-858 | ROXBURY | 6889 | 2009-03-31 | Yes |
| 617-859 | BOSTON | 9102 | — | Yes |
| 617-860 | BROOKLINE | 7229 | — | Yes |
| 617-861 | BOSTON | 6387 | — | Yes |
| 617-862 | NEWTON | 6387 | — | Yes |
| 617-863 | SOMERVILLE | 9102 | — | Yes |
| 617-864 | CAMBRIDGE | 9102 | — | — |
| 617-865 | BOSTON | 990E | — | Yes |
| 617-866 | CAMBRIDGE | 9102 | — | Yes |
| 617-867 | BOSTON | 9102 | — | Yes |
| 617-868 | CAMBRIDGE | 9102 | — | — |
| 617-869 | BOSTON | 5562 | 2001-03-09 | Yes |
| 617-870 | BRIGHTON | 4018 | — | Yes |
| 617-871 | CAMBRIDGE | 829J | — | Yes |
| 617-872 | BOSTON | 6387 | — | — |
| 617-873 | CAMBRIDGE | 9102 | — | — |
| 617-874 | EASTBOSTON | 7229 | — | Yes |
| 617-875 | BOSTON | 6387 | — | — |
| 617-876 | CAMBRIDGE | 9102 | — | — |
| 617-877 | BOSTON | 6387 | — | — |
| 617-878 | BOSTON | 9102 | — | — |
| 617-879 | BROOKLINE | 7619 | — | Yes |
| 617-880 | BOSTON | 7135 | — | Yes |
| 617-881 | NEWTON | 9102 | — | Yes |
| 617-882 | NEWTON | 990E | — | Yes |
| 617-883 | BELMONT | 9102 | — | Yes |
| 617-884 | CHELSEA | 9102 | — | — |
| 617-885 | BOSTON | 487K | 2023-10-18 | Yes |
| 617-886 | CHARLESTN | 9102 | — | — |
| 617-887 | CHELSEA | 9102 | — | — |
| 617-888 | BOSTON | 6889 | 2005-04-28 | Yes |
| 617-889 | CHELSEA | 9102 | — | — |
| 617-890 | QUINCY | 7229 | — | Yes |
| 617-891 | BRIGHTON | 6083 | — | — |
| 617-892 | BOSTON | 7229 | — | Yes |
| 617-893 | NEWTON | 4036 | — | — |
| 617-894 | BOSTON | 6387 | 2004-05-13 | Yes |
| 617-895 | EASTBOSTON | 4018 | — | Yes |
| 617-896 | BOSTON | 7229 | — | — |
| 617-897 | BOSTON | 9102 | — | — |
| 617-898 | MILTON | 9102 | — | Yes |
| 617-899 | CAMBRIDGE | 4036 | — | — |
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.