All assignees
699 prefixes in 585 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 585-200 | EROCHESTER | 6622 | 2004-05-17 | Yes |
| 585-201 | BATAVIA | 6622 | 2002-04-17 | Yes |
| 585-202 | ROCHESTER | 6622 | — | Yes |
| 585-203 | EROCHESTER | 4036 | — | Yes |
| 585-204 | DANSVILLE | 793K | 2005-05-25 | Yes |
| 585-205 | MIDDLEPORT | 6959 | 2007-01-16 | Yes |
| 585-206 | HOLLEY | 829J | 2007-01-16 | Yes |
| 585-207 | FILLMORE | 793K | — | Yes |
| 585-208 | ROCHESTER | 6959 | 2005-06-10 | Yes |
| 585-209 | CUBA | 4006 | 2007-02-24 | Yes |
| 585-210 | ROCHESTER | 997E | 2008-09-03 | Yes |
| 585-211 | XXXXXXXXXX | MULT | — | — |
| 585-212 | ROCHESTER | 6959 | 2024-01-17 | Yes |
| 585-213 | WAYLAND | 4036 | 2004-03-10 | Yes |
| 585-214 | ROCHESTER | 0121 | — | Yes |
| 585-215 | WYOMING | 7140 | 2013-08-30 | Yes |
| 585-216 | WEBSTER | 0121 | — | Yes |
| 585-217 | WEBSTER | 0121 | — | Yes |
| 585-218 | EROCHESTER | 0121 | — | — |
| 585-219 | BATAVIA | 4006 | — | Yes |
| 585-220 | ROCHESTER | 0121 | — | — |
| 585-221 | XXXXXXXXXX | 0121 | — | — |
| 585-222 | ROCHESTER | 0121 | — | — |
| 585-223 | FAIRPORT | 0121 | — | — |
| 585-224 | ROCHESTER | 0121 | — | Yes |
| 585-225 | ROCHESTER | 0121 | — | — |
| 585-226 | AVON | 0121 | — | Yes |
| 585-227 | ROCHESTER | 0121 | — | — |
| 585-228 | WARSAW | 7140 | 2003-06-05 | Yes |
| 585-229 | HONEOYE | 0122 | — | Yes |
| 585-230 | ROCHESTER | 6622 | — | Yes |
| 585-231 | ROCHESTER | 0121 | — | Yes |
| 585-232 | ROCHESTER | 0121 | — | — |
| 585-233 | ROCHESTER | 6959 | — | — |
| 585-234 | ROCHESTER | 0121 | — | — |
| 585-235 | ROCHESTER | 0121 | — | — |
| 585-236 | WEBSTER | 6959 | 2010-03-10 | Yes |
| 585-237 | PERRY | 0121 | — | Yes |
| 585-238 | ROCHESTER | 0121 | — | — |
| 585-239 | ROCHESTER | 0121 | — | — |
| 585-240 | ROCHESTER | 0121 | — | — |
| 585-241 | ROCHESTER | 0121 | — | — |
| 585-242 | ROCHESTER | 0121 | — | — |
| 585-243 | GENESEO | 0121 | — | Yes |
| 585-244 | ROCHESTER | 0121 | — | — |
| 585-245 | GENESEO | 0121 | — | Yes |
| 585-246 | ROCHESTER | 0121 | — | — |
| 585-247 | ROCHESTER | 0121 | — | — |
| 585-248 | EROCHESTER | 0121 | — | — |
| 585-249 | EROCHESTER | 0121 | — | — |
| 585-250 | BATAVIA | 793K | 2010-05-13 | Yes |
| 585-251 | ROCHESTER | 0121 | — | — |
| 585-252 | PAVILION | 4006 | 2007-04-05 | Yes |
| 585-253 | ROCHESTER | 0121 | — | — |
| 585-254 | ROCHESTER | 0121 | — | — |
| 585-255 | ROCHESTER | 0121 | — | Yes |
| 585-256 | ROCHESTER | 0121 | — | — |
| 585-257 | HOLCOMB | 829J | 2003-01-14 | Yes |
| 585-258 | ROCHESTER | 0121 | — | — |
| 585-259 | ROCHESTER | 6959 | — | — |
| 585-260 | ROCHESTER | 4036 | — | — |
| 585-261 | ROCHESTER | 6959 | — | — |
| 585-262 | ROCHESTER | 0121 | — | — |
| 585-263 | ROCHESTER | 0121 | — | — |
| 585-264 | EROCHESTER | 0121 | — | — |
| 585-265 | WEBSTER | 0121 | — | — |
| 585-266 | ROCHESTER | 0121 | — | — |
| 585-267 | EROCHESTER | 4036 | 2003-01-28 | Yes |
| 585-268 | BELMONT | 9104 | — | Yes |
| 585-269 | ROCHESTER | 7140 | 2004-04-30 | Yes |
| 585-270 | ROCHESTER | 793K | 2010-05-13 | Yes |
| 585-271 | ROCHESTER | 0121 | — | — |
| 585-272 | ROCHESTER | 0121 | — | — |
| 585-273 | ROCHESTER | 0121 | — | Yes |
| 585-274 | ROCHESTER | 0121 | — | Yes |
| 585-275 | ROCHESTER | 8473 | — | — |
| 585-276 | ROCHESTER | 0121 | — | Yes |
| 585-277 | ROCHESTER | 0121 | — | — |
| 585-278 | ROCHESTER | 0121 | 2003-09-29 | Yes |
| 585-279 | ROCHESTER | 0121 | — | — |
| 585-280 | WEBSTER | 6959 | — | Yes |
| 585-281 | ROCHESTER | 4036 | — | — |
| 585-282 | FAIRPORT | 7133 | 2009-10-16 | Yes |
| 585-283 | ALBION | 793K | — | Yes |
| 585-284 | ROCHESTER | 4036 | 2007-02-08 | Yes |
| 585-285 | ROCHESTER | 4036 | 2007-02-08 | Yes |
| 585-286 | ROCHESTER | 4036 | 2007-02-08 | Yes |
| 585-287 | ROCHESTER | 4036 | 2007-06-13 | Yes |
| 585-288 | ROCHESTER | 0121 | — | — |
| 585-289 | SHORTSVL | 0113 | — | Yes |
| 585-290 | ROCHESTER | 6622 | 2010-06-24 | Yes |
| 585-291 | ROCHESTER | 0121 | — | — |
| 585-292 | ROCHESTER | 0121 | — | — |
| 585-293 | CHURCHVL | 0121 | — | Yes |
| 585-294 | CALEDONIA | 793K | — | Yes |
| 585-295 | ROCHESTER | 829J | — | Yes |
| 585-296 | WELLSVILLE | 997E | 2010-08-19 | Yes |
| 585-297 | BATAVIA | 9104 | 2004-07-25 | Yes |
| 585-298 | ROCHESTER | 6959 | 2004-05-14 | Yes |
| 585-299 | CHURCHVL | 793K | 2006-10-05 | 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.