All assignees
800 prefixes in 617 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 617-600 | WATERTOWN | 7229 | — | Yes |
| 617-601 | EVERETT | 6083 | — | — |
| 617-602 | ROXBURY | 7229 | — | Yes |
| 617-603 | BOSTON | 7229 | — | — |
| 617-604 | HYDE PARK | 9102 | — | Yes |
| 617-605 | MALDEN | 4036 | — | — |
| 617-606 | ROXBURY | 4018 | — | Yes |
| 617-607 | WATERTOWN | 7229 | — | Yes |
| 617-608 | BROOKLINE | 7229 | — | Yes |
| 617-609 | MILTON | 4036 | 2024-01-05 | Yes |
| 617-610 | NEWTON | 4036 | — | — |
| 617-611 | XXXXXXXXXX | MULT | — | — |
| 617-612 | WATERTOWN | 7135 | — | Yes |
| 617-613 | CAMBRIDGE | 7135 | — | — |
| 617-614 | NEWTON | 7229 | — | Yes |
| 617-615 | MILTON | 7619 | — | Yes |
| 617-616 | SOMERVILLE | 7135 | — | Yes |
| 617-617 | BOSTON | 125L | 2025-03-18 | Yes |
| 617-618 | NEWTON | 7229 | — | Yes |
| 617-619 | BOSTON | 9102 | — | — |
| 617-620 | BOSTON | 6387 | — | — |
| 617-621 | CAMBRIDGE | 9102 | — | Yes |
| 617-622 | SO BOSTON | 4018 | — | Yes |
| 617-623 | SOMERVILLE | 9102 | — | — |
| 617-624 | BOSTON | 9102 | — | — |
| 617-625 | SOMERVILLE | 9102 | — | — |
| 617-626 | BOSTON | 9102 | — | — |
| 617-627 | SOMERVILLE | 9102 | — | — |
| 617-628 | SOMERVILLE | 9102 | — | — |
| 617-629 | SOMERVILLE | 9102 | — | — |
| 617-630 | NEWTON | 9102 | — | — |
| 617-631 | NEWTON | 6387 | — | Yes |
| 617-632 | BROOKLINE | 9102 | — | — |
| 617-633 | WALTHAM | 4036 | — | — |
| 617-634 | EASTBOSTON | 9102 | — | Yes |
| 617-635 | BOSTON | 9102 | — | — |
| 617-636 | BOSTON | 9102 | — | — |
| 617-637 | JAMAICA PL | 5562 | 2011-10-19 | Yes |
| 617-638 | BOSTON | 9102 | — | — |
| 617-639 | QUINCY | 4018 | — | Yes |
| 617-640 | DEDHAM | 4036 | — | — |
| 617-641 | NEWTON | 9102 | — | Yes |
| 617-642 | CAMBRIDGE | 6889 | — | — |
| 617-643 | BOSTON | 9102 | 2001-07-16 | — |
| 617-644 | NEWTON | 990E | — | Yes |
| 617-645 | BOSTON | 6387 | — | — |
| 617-646 | BOSTON | 7135 | — | Yes |
| 617-647 | CAMBRIDGE | 9748 | — | — |
| 617-648 | BOSTON | 4018 | — | Yes |
| 617-649 | CAMBRIDGE | 7229 | — | Yes |
| 617-650 | BOSTON | 4036 | — | — |
| 617-651 | BROOKLINE | 829J | — | Yes |
| 617-652 | ROXBURY | 7229 | — | Yes |
| 617-653 | QUINCY | 4036 | — | — |
| 617-654 | BOSTON | 9102 | — | — |
| 617-655 | BOSTON | 892D | 2019-01-30 | Yes |
| 617-656 | NEWTON | 9102 | — | — |
| 617-657 | QUINCY | 829J | — | Yes |
| 617-658 | NEWTON | 829J | 2001-05-02 | Yes |
| 617-659 | NEWTON | 9102 | 2005-02-28 | Yes |
| 617-660 | CHELSEA | 9102 | — | — |
| 617-661 | CAMBRIDGE | 9102 | — | — |
| 617-662 | BOSTON | 9102 | — | — |
| 617-663 | NEWTON | 7135 | — | Yes |
| 617-664 | BOSTON | 9102 | — | — |
| 617-665 | CAMBRIDGE | 9102 | — | Yes |
| 617-666 | SOMERVILLE | 9102 | — | — |
| 617-667 | BROOKLINE | 9102 | — | — |
| 617-668 | WATERTOWN | 7229 | — | Yes |
| 617-669 | CHARLESTN | 6889 | — | — |
| 617-670 | BOSTON | 7619 | — | Yes |
| 617-671 | BOSTON | 6889 | 2004-11-18 | Yes |
| 617-672 | BOSTON | 7135 | 2008-04-24 | Yes |
| 617-673 | WATERTOWN | 9102 | — | Yes |
| 617-674 | CAMBRIDGE | 671J | — | Yes |
| 617-675 | HYDE PARK | 990E | — | Yes |
| 617-676 | JAMAICA PL | 4018 | — | Yes |
| 617-677 | BROOKLINE | 6083 | — | — |
| 617-678 | NEWTON | 4036 | — | — |
| 617-679 | CAMBRIDGE | 9102 | — | — |
| 617-680 | BOSTON | 6387 | — | — |
| 617-681 | CHARLESTN | 7229 | — | Yes |
| 617-682 | CAMBRIDGE | 316E | — | Yes |
| 617-683 | BOSTON | 9102 | — | Yes |
| 617-684 | SOMERVILLE | 7229 | — | Yes |
| 617-685 | CAMBRIDGE | 7229 | 2018-01-08 | Yes |
| 617-686 | BOSTON | 6387 | — | — |
| 617-687 | QUINCY | 7229 | — | Yes |
| 617-688 | KINGSTON | 4036 | — | — |
| 617-689 | QUINCY | 9102 | — | Yes |
| 617-690 | MILTON | 4018 | — | Yes |
| 617-691 | QUINCY | 7135 | — | Yes |
| 617-692 | BOSTON | 7135 | — | Yes |
| 617-693 | CAMBRIDGE | 892D | — | Yes |
| 617-694 | BOSTON | 6387 | — | — |
| 617-695 | BOSTON | 9102 | — | — |
| 617-696 | MILTON | 9102 | — | — |
| 617-697 | BOSTON | 4036 | — | — |
| 617-698 | MILTON | 9102 | — | — |
| 617-699 | BOSTON | 6387 | — | — |
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.