All assignees
779 prefixes in 507 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 507-200 | OWATONNA | 6534 | 2011-02-17 | Yes |
| 507-201 | WASECA | 5256 | 2002-06-26 | Yes |
| 507-202 | ROCHESTER | 6701 | — | — |
| 507-203 | BROWNSDALE | 719F | 2004-07-15 | Yes |
| 507-204 | JASPER | 6534 | 2007-01-05 | Yes |
| 507-205 | WINONA | 5256 | 2002-06-26 | Yes |
| 507-206 | ROCHESTER | 184D | 2003-03-21 | Yes |
| 507-207 | MANKATO | 184D | — | Yes |
| 507-208 | ROCHESTER | 6701 | — | Yes |
| 507-209 | FARIBAULT | 184D | — | Yes |
| 507-210 | FARIBAULT | 6701 | 2002-03-25 | Yes |
| 507-211 | XXXXXXXXXX | MULT | — | — |
| 507-212 | TRACY | 4768 | — | — |
| 507-213 | OWATONNA | 6701 | 2002-03-25 | Yes |
| 507-214 | OWATONNA | 184D | — | Yes |
| 507-215 | PIPESTONE | 5816 | 2001-10-12 | Yes |
| 507-216 | ROCHESTER | 5256 | 2002-05-20 | Yes |
| 507-217 | NEW ULM | 6701 | 2002-06-25 | Yes |
| 507-218 | ROCHESTER | 4139 | 2009-12-14 | Yes |
| 507-219 | AUSTIN | 5562 | — | Yes |
| 507-220 | LUVERNE | 5816 | — | — |
| 507-221 | WINDOM | 6534 | — | Yes |
| 507-222 | NORTHFIELD | 184D | — | Yes |
| 507-223 | CANBY | 1367 | — | Yes |
| 507-224 | ST LEO | 1367 | — | Yes |
| 507-225 | NICOLLET | 9631 | — | Yes |
| 507-226 | ROCHESTER | 7783 | 2004-06-02 | Yes |
| 507-227 | LUVERNE | 5816 | — | — |
| 507-228 | LAFAYETTE | 1445 | — | Yes |
| 507-229 | NICOLLET | 980E | 2018-05-11 | Yes |
| 507-230 | FAIRMONT | 6534 | — | Yes |
| 507-231 | JANESVILLE | 184D | — | Yes |
| 507-232 | NICOLLET | 184D | — | Yes |
| 507-233 | NEW ULM | 1442 | — | — |
| 507-234 | JANESVILLE | 1367 | — | — |
| 507-235 | FAIRMONT | 1367 | — | — |
| 507-236 | FAIRMONT | 5816 | — | — |
| 507-237 | GAYLORD | 9631 | — | Yes |
| 507-238 | FAIRMONT | 1367 | — | — |
| 507-239 | WALDORF | 1456 | — | Yes |
| 507-240 | NEW ULM | 6534 | — | — |
| 507-241 | GAYLORD | 6534 | — | Yes |
| 507-242 | BLOOMNPRRI | 5256 | 2004-05-04 | Yes |
| 507-243 | MADISON LK | 1427 | — | Yes |
| 507-244 | ROCHESTER | 6534 | — | Yes |
| 507-245 | ST CLAIR | 1427 | — | Yes |
| 507-246 | NEW SWEDEN | 9631 | — | Yes |
| 507-247 | TYLER | 1123 | — | — |
| 507-248 | HENDERSON | 1367 | — | Yes |
| 507-249 | MORGAN | 1472 | — | — |
| 507-250 | ROCHESTER | 6534 | — | Yes |
| 507-251 | ROCHESTER | 5816 | — | — |
| 507-252 | ROCHESTER | 9631 | — | — |
| 507-253 | ROCHESTER | 9631 | — | — |
| 507-254 | ROCHESTER | 6534 | — | — |
| 507-255 | ROCHESTER | 9631 | — | — |
| 507-256 | CLARKS GRV | 1123 | — | — |
| 507-257 | EAGLE LAKE | 1427 | — | Yes |
| 507-258 | ROCHESTER | 792K | — | Yes |
| 507-259 | ROCHESTER | 5816 | — | — |
| 507-260 | BALATON | 184D | 2016-06-28 | Yes |
| 507-261 | ROCHESTER | 6534 | — | — |
| 507-262 | LE SUEUR | 980E | 2007-03-29 | Yes |
| 507-263 | CANNON FLS | 1123 | — | — |
| 507-264 | IONA | 1367 | — | Yes |
| 507-265 | CONGER | 1338 | — | — |
| 507-266 | ROCHESTER | 9631 | — | — |
| 507-267 | ELYSIAN | 1367 | — | Yes |
| 507-268 | FOUNTAIN | 1123 | — | Yes |
| 507-269 | ROCHESTER | 6534 | — | — |
| 507-270 | MANKATO | 6534 | 2019-11-15 | Yes |
| 507-271 | ROCHESTER | 6701 | — | — |
| 507-272 | ROCHESTER | 5816 | 2004-02-24 | — |
| 507-273 | ROCHESTER | 5816 | — | — |
| 507-274 | WESTBROOK | 1445 | — | Yes |
| 507-275 | HENDRICKS | 1654 | — | — |
| 507-276 | NEW ULM | 5816 | — | — |
| 507-277 | EAST GARY | 1651 | — | — |
| 507-278 | GOODTHUNDR | 1427 | — | Yes |
| 507-279 | AUSTIN | 6534 | — | — |
| 507-280 | ROCHESTER | 9631 | — | — |
| 507-281 | ROCHESTER | 9631 | — | — |
| 507-282 | ROCHESTER | 9631 | — | — |
| 507-283 | LUVERNE | 9631 | — | Yes |
| 507-284 | ROCHESTER | 9631 | — | — |
| 507-285 | ROCHESTER | 9631 | — | — |
| 507-286 | ROCHESTER | 9631 | — | — |
| 507-287 | ROCHESTER | 9631 | — | — |
| 507-288 | ROCHESTER | 9631 | — | — |
| 507-289 | ROCHESTER | 9631 | — | — |
| 507-290 | LUVERNE | 6534 | — | Yes |
| 507-291 | FARIBAULT | 6701 | — | Yes |
| 507-292 | ROCHESTER | 9631 | — | — |
| 507-293 | ROCHESTER | 9631 | 2006-05-30 | Yes |
| 507-294 | KIESTER | 1123 | — | Yes |
| 507-295 | WORTHINGTN | 184D | 2004-01-27 | Yes |
| 507-296 | PORTER | 1367 | — | Yes |
| 507-297 | EMMONS | 1338 | — | — |
| 507-298 | CANNON FLS | 5816 | 2003-12-11 | Yes |
| 507-299 | GAYLORD | 184D | — | 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.