All assignees
646 prefixes in 413 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 413-200 | CUMMINGTON | 515J | 2001-06-27 | Yes |
| 413-201 | XXXXXXXXXX | 9102 | — | — |
| 413-202 | XXXXXXXXXX | 9102 | — | — |
| 413-203 | EASTHAMPTN | 318J | 2001-06-21 | Yes |
| 413-204 | SPRINGFLD | 6889 | — | — |
| 413-205 | SPRINGFLD | 9102 | — | Yes |
| 413-206 | CHICOPEE | 829J | 2001-05-21 | Yes |
| 413-207 | HUNTINGTON | 318J | 2001-06-22 | Yes |
| 413-208 | SO DEERFLD | 829J | — | — |
| 413-209 | SPRINGFLD | 829J | 2002-09-24 | Yes |
| 413-210 | HOLYOKE | 6889 | — | Yes |
| 413-211 | XXXXXXXXXX | MULT | — | — |
| 413-212 | PITTSFIELD | 4036 | 2002-12-19 | Yes |
| 413-213 | BELCHERTN | 7421 | 2003-10-15 | Yes |
| 413-214 | SPRINGFLD | 829J | — | Yes |
| 413-215 | BECKET | 829J | — | — |
| 413-216 | BECKET | 829J | 2010-09-01 | Yes |
| 413-217 | WILLIAMSTN | 829J | — | Yes |
| 413-218 | SPRINGFLD | 5562 | — | Yes |
| 413-219 | SPRINGFLD | 5562 | — | Yes |
| 413-220 | — | — | ||
| 413-221 | SPRINGFLD | 5562 | — | Yes |
| 413-222 | SPRINGFLD | 5562 | — | Yes |
| 413-223 | GREENFIELD | 7103 | — | Yes |
| 413-224 | ELONGMEDOW | 7103 | — | Yes |
| 413-225 | NORTHFIELD | 7135 | — | Yes |
| 413-226 | SPRINGFLD | 9102 | — | — |
| 413-227 | GREENFIELD | 9748 | — | — |
| 413-228 | PALMER | 829J | — | Yes |
| 413-229 | SHEFFIELD | 9102 | — | Yes |
| 413-230 | AMHERST | 4036 | 2003-11-10 | Yes |
| 413-231 | SPRINGFLD | 7135 | — | Yes |
| 413-232 | W STOCKBDG | 9102 | — | Yes |
| 413-233 | SPRINGFLD | 829J | — | Yes |
| 413-234 | SPRINGFLD | 6387 | 2011-12-07 | Yes |
| 413-235 | STOCKBDG | 829J | — | — |
| 413-236 | PITTSFIELD | 9102 | — | Yes |
| 413-237 | SPRINGFLD | 6387 | — | — |
| 413-238 | WORTHINGTN | 9102 | — | Yes |
| 413-239 | NORTHFIELD | 4018 | — | Yes |
| 413-240 | CHICOPEE | 7135 | — | Yes |
| 413-241 | SPRINGFLD | 7103 | — | Yes |
| 413-242 | PITTSFIELD | 7103 | — | Yes |
| 413-243 | LEE | 9102 | — | — |
| 413-244 | SPRINGFLD | 6387 | 2002-09-18 | Yes |
| 413-245 | BRIMFIELD | 9102 | — | Yes |
| 413-246 | SPRINGFLD | 6889 | — | Yes |
| 413-247 | HATFIELD | 9102 | — | Yes |
| 413-248 | SHEFFIELD | 829J | 2003-02-24 | Yes |
| 413-249 | PITTSFIELD | 9748 | — | — |
| 413-250 | SPRINGFLD | 4036 | — | — |
| 413-251 | HINSDALE | 4018 | — | Yes |
| 413-252 | BELCHERTN | 829J | 2001-07-10 | Yes |
| 413-253 | AMHERST | 9102 | — | Yes |
| 413-254 | TURNERSFLS | 829J | — | — |
| 413-255 | GRANBY | 318J | 2011-08-24 | Yes |
| 413-256 | AMHERST | 9102 | — | — |
| 413-257 | SPRINGFLD | 9748 | — | — |
| 413-258 | SANDISFLD | 9102 | — | Yes |
| 413-259 | AMHRSTFKLN | 9102 | — | Yes |
| 413-260 | XXXXXXXXXX | 9102 | — | — |
| 413-261 | SPRINGFLD | 9102 | — | Yes |
| 413-262 | SPRINGFLD | 6387 | 2002-01-15 | Yes |
| 413-263 | SPRINGFLD | 9102 | — | Yes |
| 413-264 | SPRINGFLD | 990E | — | Yes |
| 413-265 | HOLYOKE | 6387 | 2002-07-18 | Yes |
| 413-266 | SPRINGFLD | 9102 | — | Yes |
| 413-267 | MONSON | 9102 | — | Yes |
| 413-268 | WILLIAMSBG | 9102 | — | Yes |
| 413-269 | OTIS | 9102 | — | Yes |
| 413-270 | NORTHAMPTN | 508J | 2015-01-10 | Yes |
| 413-271 | SPRINGFLD | 7103 | — | Yes |
| 413-272 | SPRINGFLD | 7103 | — | Yes |
| 413-273 | SPRINGFLD | 9102 | — | Yes |
| 413-274 | HOUSATONIC | 9102 | — | Yes |
| 413-275 | HOLYOKE | 7135 | — | Yes |
| 413-276 | SPRINGFLD | 318J | 2012-03-13 | Yes |
| 413-277 | WARE | 9102 | — | Yes |
| 413-278 | SPRINGFLD | 671J | 2017-03-22 | Yes |
| 413-279 | WILBRAHAM | 7103 | — | Yes |
| 413-280 | NORTHAMPTN | 829J | — | — |
| 413-281 | PITTSFIELD | 6387 | 2001-11-12 | Yes |
| 413-282 | EASTHAMPTN | 829J | — | Yes |
| 413-283 | PALMER | 9102 | — | Yes |
| 413-284 | PALMER | 9102 | — | Yes |
| 413-285 | SPRINGFLD | 311D | 2009-04-30 | Yes |
| 413-286 | SPRINGFLD | 990E | — | Yes |
| 413-287 | RUSSELL | 892D | 2017-05-05 | Yes |
| 413-288 | SPRINGFLD | 321J | 2023-03-10 | Yes |
| 413-289 | PALMER | 9102 | — | Yes |
| 413-290 | SPRINGFLD | 9102 | — | Yes |
| 413-291 | SPRINGFLD | 624H | 2017-09-22 | Yes |
| 413-292 | SPRINGFLD | 9102 | — | Yes |
| 413-293 | SPRINGFLD | 9102 | — | — |
| 413-294 | SPRINGFLD | 829J | — | — |
| 413-295 | SPRINGFLD | 990E | — | Yes |
| 413-296 | CHESTERFLD | 9102 | — | Yes |
| 413-297 | SPRINGFLD | 4036 | 2001-04-19 | — |
| 413-298 | STOCKBDG | 9102 | — | Yes |
| 413-299 | HATFIELD | 7103 | 2017-04-17 | 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.