All assignees
646 prefixes in 413 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 413-735 | SPRINGFLD | 9102 | — | Yes |
| 413-736 | SPRINGFLD | 9102 | — | — |
| 413-737 | SPRINGFLD | 9102 | — | — |
| 413-738 | HANCOCK | 0084 | — | Yes |
| 413-739 | SPRINGFLD | 9102 | — | — |
| 413-740 | CUMMINGTON | 829J | — | Yes |
| 413-741 | WILLIAMSTN | 892D | 2021-03-25 | Yes |
| 413-742 | ASHFIELD | 516J | 2022-02-17 | Yes |
| 413-743 | ADAMS | 9102 | — | — |
| 413-744 | SPRINGFLD | 9102 | — | — |
| 413-746 | SPRINGFLD | 9102 | — | — |
| 413-747 | SPRINGFLD | 9102 | — | — |
| 413-748 | SPRINGFLD | 9102 | — | Yes |
| 413-749 | ADAMS | 9102 | — | Yes |
| 413-750 | SPRINGFLD | 9102 | — | Yes |
| 413-751 | MONTAGUE | 829J | — | — |
| 413-752 | BRIMFIELD | 990E | — | Yes |
| 413-754 | LONGMEADOW | 829J | — | Yes |
| 413-755 | SPRINGFLD | 9102 | — | — |
| 413-758 | WARE | 990E | — | Yes |
| 413-759 | ELONGMEDOW | 829J | 2001-05-21 | Yes |
| 413-766 | SPRINGFLD | 622J | 2021-05-25 | Yes |
| 413-767 | RUSSELL | 624H | 2020-11-04 | Yes |
| 413-768 | GREENFIELD | 6387 | — | Yes |
| 413-769 | PITTSFIELD | 829J | 2001-02-26 | Yes |
| 413-770 | PITTSFIELD | 6387 | — | Yes |
| 413-771 | BLANDFORD | 829J | — | Yes |
| 413-772 | GREENFIELD | 9102 | — | Yes |
| 413-773 | GREENFIELD | 9102 | — | — |
| 413-774 | GREENFIELD | 9102 | — | — |
| 413-775 | GREENFIELD | 9102 | — | Yes |
| 413-776 | ADAMS | 829J | — | Yes |
| 413-777 | SPRINGFLD | 5562 | 2008-09-11 | Yes |
| 413-778 | WARE | 829J | — | — |
| 413-779 | EASTHAMPTN | 829J | 2001-05-21 | Yes |
| 413-781 | SPRINGFLD | 9102 | — | — |
| 413-782 | SPRINGFLD | 9102 | — | — |
| 413-783 | SPRINGFLD | 9102 | — | — |
| 413-784 | SPRINGFLD | 9102 | — | Yes |
| 413-785 | SPRINGFLD | 9102 | — | Yes |
| 413-786 | SPRINGFLD | 9102 | — | — |
| 413-787 | SPRINGFLD | 9102 | — | — |
| 413-788 | SPRINGFLD | 9102 | — | — |
| 413-789 | SPRINGFLD | 9102 | — | — |
| 413-793 | WORTHINGTN | 829J | — | — |
| 413-794 | SPRINGFLD | 829J | — | — |
| 413-795 | SPRINGFLD | 829J | 2017-06-06 | Yes |
| 413-796 | SPRINGFLD | 9102 | — | Yes |
| 413-798 | LONGMEADOW | 829J | — | Yes |
| 413-799 | SPRINGFLD | 236F | 2011-06-10 | Yes |
| 413-800 | AMHERST | 892D | — | Yes |
| 413-801 | AMHERST | 4036 | 2013-06-12 | Yes |
| 413-802 | — | — | ||
| 413-803 | WILLIAMSTN | 829J | — | — |
| 413-807 | PALMER | 5562 | 2021-09-23 | Yes |
| 413-811 | XXXXXXXXXX | MULT | — | — |
| 413-812 | SHEFFIELD | 829J | — | — |
| 413-813 | WARE | 829J | — | Yes |
| 413-814 | SPRINGFLD | 9102 | — | — |
| 413-821 | SPRINGFLD | 9102 | — | Yes |
| 413-822 | PITTSFIELD | 6387 | — | — |
| 413-823 | WORTHINGTN | 892D | 2021-03-25 | Yes |
| 413-824 | GREENFIELD | 4036 | — | Yes |
| 413-825 | AMHRSTFKLN | 829J | — | Yes |
| 413-826 | SHELBUNFLS | 829J | — | — |
| 413-827 | SPRINGFLD | 9102 | — | Yes |
| 413-828 | GREENFIELD | 829J | — | Yes |
| 413-829 | GREENFIELD | 6889 | — | Yes |
| 413-831 | SOUTHWICK | 829J | — | Yes |
| 413-832 | SOUTHWICK | 829J | — | — |
| 413-833 | BERNARDSTN | 516J | 2022-02-17 | Yes |
| 413-834 | GREENFIELD | 6387 | — | Yes |
| 413-835 | AMHERST | 318J | 2007-06-26 | Yes |
| 413-836 | GREATBNGTN | 892D | — | Yes |
| 413-841 | PITTSFIELD | 5562 | — | Yes |
| 413-842 | DALTON | 829J | 2001-05-21 | Yes |
| 413-843 | LENOX | 516J | 2022-02-23 | Yes |
| 413-844 | XXXXXXXXXX | 9102 | — | — |
| 413-845 | NORTHFIELD | 892D | — | — |
| 413-846 | SPRINGFLD | 9102 | — | Yes |
| 413-847 | LONGMEADOW | 6889 | — | Yes |
| 413-848 | BLANDFORD | 9102 | — | Yes |
| 413-849 | CHARLEMONT | 4018 | 2001-11-15 | Yes |
| 413-853 | ASHFIELD | 4018 | — | Yes |
| 413-854 | GREATBNGTN | 829J | — | Yes |
| 413-855 | XXXXXXXXXX | 9102 | — | — |
| 413-857 | — | — | ||
| 413-858 | SPRINGFLD | 9102 | — | Yes |
| 413-860 | — | — | ||
| 413-861 | SPRINGFLD | 990E | 2018-01-06 | Yes |
| 413-862 | RUSSELL | 9102 | — | Yes |
| 413-863 | TURNERSFLS | 9102 | — | Yes |
| 413-865 | LEE | 829J | — | Yes |
| 413-866 | XXXXXXXXXX | 9102 | — | — |
| 413-867 | SPRINGFLD | 939H | 2021-04-02 | Yes |
| 413-869 | WORTHINGTN | 883K | 2026-03-30 | Yes |
| 413-872 | DALTON | 516J | 2022-02-23 | Yes |
| 413-873 | HOUSATONIC | 990E | — | Yes |
| 413-875 | WESTFIELD | 829J | — | Yes |
| 413-877 | XXXXXXXXXX | 9102 | — | — |
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.