LEVEL 3 COMMUNICATIONS, LLC - MA
39 prefixes in 617 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 617-213 | NEWTON | 4018 | — | Yes |
| 617-231 | WATERTOWN | 4018 | — | Yes |
| 617-245 | CAMBRIDGE | 4018 | — | Yes |
| 617-273 | MILTON | 4018 | — | Yes |
| 617-275 | BOSTON | 4018 | 2001-12-15 | Yes |
| 617-297 | DORCHESTER | 4018 | — | Yes |
| 617-314 | BOSTON | 4018 | — | Yes |
| 617-380 | CHARLESTN | 4018 | — | Yes |
| 617-395 | CAMBRIDGE | 4018 | — | Yes |
| 617-401 | CAMBRIDGE | 4018 | — | Yes |
| 617-500 | CAMBRIDGE | 4018 | — | Yes |
| 617-505 | BROOKLINE | 4018 | — | Yes |
| 617-517 | BOSTON | 4018 | — | Yes |
| 617-583 | CAMBRIDGE | 4018 | — | Yes |
| 617-606 | ROXBURY | 4018 | — | Yes |
| 617-622 | SO BOSTON | 4018 | — | Yes |
| 617-639 | QUINCY | 4018 | — | Yes |
| 617-648 | BOSTON | 4018 | — | Yes |
| 617-676 | JAMAICA PL | 4018 | — | Yes |
| 617-690 | MILTON | 4018 | — | Yes |
| 617-729 | QUINCY | 4018 | — | Yes |
| 617-741 | SOMERVILLE | 4018 | — | Yes |
| 617-751 | BROOKLINE | 4018 | — | Yes |
| 617-762 | NEWTON | 4018 | — | Yes |
| 617-765 | SO BOSTON | 4018 | 2002-02-27 | Yes |
| 617-820 | BOSTON | 4018 | 2004-09-02 | Yes |
| 617-826 | BELMONT | 4018 | — | Yes |
| 617-837 | QUINCY | 4018 | — | Yes |
| 617-841 | WINTHROP | 4018 | — | Yes |
| 617-848 | BOSTON | 4018 | — | Yes |
| 617-870 | BRIGHTON | 4018 | — | Yes |
| 617-895 | EASTBOSTON | 4018 | — | Yes |
| 617-906 | BROOKLINE | 4018 | — | Yes |
| 617-925 | BRIGHTON | 4018 | — | Yes |
| 617-934 | QUINCY | 4018 | — | Yes |
| 617-938 | BOSTON | 4018 | 2004-08-04 | Yes |
| 617-990 | HYDE PARK | 4018 | — | Yes |
| 617-996 | SOMERVILLE | 4018 | — | Yes |
| 617-997 | EASTBOSTON | 4018 | — | 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.