All assignees
646 prefixes in 413 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 413-880 | SPRINGFLD | 193E | 2026-06-30 | Yes |
| 413-881 | LENOX | 829J | — | Yes |
| 413-883 | SPRINGFLD | 5562 | — | Yes |
| 413-884 | WILLIAMSTN | 829J | — | Yes |
| 413-885 | CHICOPEE | 6889 | — | Yes |
| 413-886 | SPRINGFLD | 9102 | — | Yes |
| 413-887 | HOLYOKE | 7103 | — | Yes |
| 413-888 | CHICOPEE | 829J | — | Yes |
| 413-889 | W STOCKBDG | 990E | 2001-07-13 | Yes |
| 413-893 | MONSON | 829J | — | Yes |
| 413-895 | ADAMS | 829J | — | Yes |
| 413-896 | SPRINGFLD | 6387 | — | — |
| 413-899 | SO DEERFLD | 892D | 2002-12-02 | Yes |
| 413-900 | XXXXXXXXXX | 9102 | — | — |
| 413-910 | SPRINGFLD | 892D | 2021-03-11 | Yes |
| 413-911 | XXXXXXXXXX | MULT | — | — |
| 413-920 | HOLYOKE | 9102 | — | — |
| 413-923 | NORTHAMPTN | 7103 | — | Yes |
| 413-930 | SPRINGFLD | 892D | 2014-06-10 | Yes |
| 413-931 | STOCKBDG | 829J | — | Yes |
| 413-933 | MONROE BDG | 516J | 2022-02-23 | Yes |
| 413-935 | LONGMEADOW | 829J | — | Yes |
| 413-937 | LEE | 829J | — | Yes |
| 413-940 | — | — | ||
| 413-942 | COLRAIN | 516J | 2022-02-17 | Yes |
| 413-944 | BLANDFORD | 829J | — | Yes |
| 413-946 | HINSDALE | 965H | 2021-04-26 | Yes |
| 413-949 | WILBRAHAM | 6889 | — | Yes |
| 413-950 | — | — | ||
| 413-958 | — | — | ||
| 413-959 | — | — | ||
| 413-961 | WORTHINGTN | 829J | — | Yes |
| 413-966 | NORTHAMPTN | 516J | 2022-02-24 | Yes |
| 413-967 | WARE | 9102 | — | — |
| 413-970 | XXXXXXXXXX | 9102 | — | — |
| 413-976 | — | — | ||
| 413-977 | WESTFIELD | 5562 | — | Yes |
| 413-985 | XXXXXXXXXX | 9102 | — | — |
| 413-988 | — | — | ||
| 413-992 | AMHERST | 9102 | — | Yes |
| 413-993 | SO DEERFLD | 829J | 2001-08-24 | Yes |
| 413-994 | CHARLEMONT | 4018 | 2001-06-21 | Yes |
| 413-995 | LUDLOW | 829J | 2001-05-21 | Yes |
| 413-997 | PITTSFIELD | 3849 | — | — |
| 413-998 | SOUTHWICK | 829J | — | Yes |
| 413-999 | 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.