All assignees
800 prefixes in 646 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 646-200 | NWYRCYZN01 | 6622 | 2006-10-23 | Yes |
| 646-201 | NWYRCYZN01 | 4006 | — | Yes |
| 646-202 | NWYRCYZN01 | 4006 | — | Yes |
| 646-203 | NWYRCYZN01 | 6622 | 2006-10-23 | Yes |
| 646-204 | NWYRCYZN01 | 6622 | — | Yes |
| 646-205 | NWYRCYZN01 | 4006 | — | — |
| 646-206 | NWYRCYZN01 | 6622 | — | — |
| 646-207 | NWYRCYZN01 | 6622 | — | — |
| 646-208 | NWYRCYZN01 | 6622 | — | Yes |
| 646-209 | NWYRCYZN01 | 6622 | — | — |
| 646-210 | NWYRCYZN01 | 6622 | — | Yes |
| 646-211 | XXXXXXXXXX | MULT | — | — |
| 646-212 | NWYRCYZN01 | 624H | 2023-02-28 | Yes |
| 646-213 | NWYRCYZN01 | 4006 | — | Yes |
| 646-214 | NWYRCYZN01 | 829J | — | Yes |
| 646-215 | NWYRCYZN01 | 7353 | — | Yes |
| 646-216 | NWYRCYZN01 | 7229 | 2004-04-08 | Yes |
| 646-217 | NWYRCYZN01 | 4036 | — | Yes |
| 646-218 | NWYRCYZN01 | 829J | — | — |
| 646-219 | NWYRCYZN01 | 829J | — | — |
| 646-220 | NWYRCYZN01 | 6622 | — | — |
| 646-221 | NWYRCYZN01 | 6622 | — | Yes |
| 646-222 | NWYRCYZN01 | 384C | — | — |
| 646-223 | NWYRCYZN01 | 9104 | — | Yes |
| 646-224 | NWYRCYZN01 | 7229 | — | Yes |
| 646-225 | NWYRCYZN01 | 4006 | — | Yes |
| 646-226 | NWYRCYZN01 | 6622 | — | — |
| 646-227 | NWYRCYZN01 | 9104 | — | — |
| 646-228 | NWYRCYZN01 | 6622 | — | Yes |
| 646-229 | NWYRCYZN01 | 6622 | — | — |
| 646-230 | NWYRCYZN01 | 9104 | — | Yes |
| 646-231 | NWYRCYZN01 | 9104 | — | — |
| 646-232 | NWYRCYZN01 | 6622 | — | Yes |
| 646-233 | NWYRCYZN01 | 6622 | 2006-10-30 | Yes |
| 646-234 | NWYRCYZN01 | 6622 | — | Yes |
| 646-235 | NWYRCYZN01 | 6622 | — | Yes |
| 646-236 | NWYRCYZN01 | 6622 | — | — |
| 646-237 | NWYRCYZN01 | 829J | — | — |
| 646-238 | NWYRCYZN01 | 6622 | — | Yes |
| 646-239 | NWYRCYZN01 | 6622 | — | — |
| 646-240 | NWYRCYZN01 | 6622 | — | Yes |
| 646-241 | NWYRCYZN01 | 6622 | — | Yes |
| 646-242 | NWYRCYZN01 | 6622 | — | Yes |
| 646-243 | NWYRCYZN01 | 6622 | 2003-10-21 | Yes |
| 646-244 | NWYRCYZN01 | 6622 | — | — |
| 646-245 | NWYRCYZN01 | 6622 | — | Yes |
| 646-246 | NWYRCYZN01 | 6622 | — | Yes |
| 646-247 | NWYRCYZN01 | 6622 | — | — |
| 646-248 | NWYRCYZN01 | 4036 | — | Yes |
| 646-249 | NWYRCYZN01 | 6622 | — | — |
| 646-250 | NWYRCYZN01 | 6622 | — | — |
| 646-251 | NWYRCYZN01 | 6622 | — | — |
| 646-252 | NWYRCYZN01 | 9104 | — | — |
| 646-253 | NWYRCYZN01 | 829J | — | — |
| 646-254 | NWYRCYZN01 | 9104 | — | Yes |
| 646-255 | NWYRCYZN01 | 6622 | 2006-10-30 | Yes |
| 646-256 | NWYRCYZN01 | 4036 | 2001-02-27 | — |
| 646-257 | NWYRCYZN01 | 4006 | — | Yes |
| 646-258 | NWYRCYZN01 | 6622 | — | — |
| 646-259 | NWYRCYZN01 | 7140 | — | Yes |
| 646-260 | NWYRCYZN01 | 6622 | — | Yes |
| 646-261 | NWYRCYZN01 | 6622 | 2001-03-09 | Yes |
| 646-262 | NWYRCYZN01 | 6622 | 2001-10-18 | — |
| 646-263 | NWYRCYZN01 | 6622 | — | Yes |
| 646-264 | NWYRCYZN01 | 7140 | — | Yes |
| 646-265 | NWYRCYZN01 | 6959 | 2001-10-08 | — |
| 646-266 | NWYRCYZN01 | 6622 | — | Yes |
| 646-267 | NWYRCYZN01 | 6622 | 2001-10-18 | — |
| 646-268 | NWYRCYZN01 | 9104 | — | — |
| 646-269 | NWYRCYZN01 | 6622 | 2001-10-18 | — |
| 646-270 | NWYRCYZN01 | 6622 | 2001-07-17 | — |
| 646-271 | NWYRCYZN01 | 6622 | 2001-04-23 | Yes |
| 646-272 | NWYRCYZN01 | 9104 | 2004-02-04 | Yes |
| 646-273 | NWYRCYZN01 | 7126 | — | — |
| 646-274 | NWYRCYZN01 | 7229 | — | Yes |
| 646-275 | NWYRCYZN01 | 9104 | — | Yes |
| 646-276 | NWYRCYZN01 | 9104 | 2002-01-31 | Yes |
| 646-277 | NWYRCYZN01 | 829J | 2001-01-23 | — |
| 646-278 | NWYRCYZN01 | 829J | — | — |
| 646-279 | NWYRCYZN01 | 6622 | — | Yes |
| 646-280 | NWYRCYZN01 | 6622 | 2004-02-04 | Yes |
| 646-281 | NWYRCYZN01 | 6622 | 2001-06-12 | Yes |
| 646-282 | NWYRCYZN01 | 9104 | — | Yes |
| 646-283 | NWYRCYZN01 | 4036 | 2001-12-27 | — |
| 646-284 | NWYRCYZN01 | 829J | 2002-11-21 | Yes |
| 646-285 | NWYRCYZN01 | 829J | 2003-03-10 | Yes |
| 646-286 | NWYRCYZN01 | 6622 | — | — |
| 646-287 | NWYRCYZN01 | 6622 | 2003-07-15 | Yes |
| 646-288 | NWYRCYZN01 | 6622 | — | Yes |
| 646-289 | NWYRCYZN01 | 7229 | 2003-09-08 | Yes |
| 646-290 | NWYRCYZN01 | 4036 | 2004-10-15 | Yes |
| 646-291 | NWYRCYZN01 | 4036 | 2001-02-27 | Yes |
| 646-292 | NWYRCYZN01 | 829J | — | — |
| 646-293 | NWYRCYZN01 | 7126 | — | Yes |
| 646-294 | NWYRCYZN01 | 6622 | — | Yes |
| 646-295 | NWYRCYZN01 | 6622 | — | Yes |
| 646-296 | NWYRCYZN01 | 6622 | 2002-05-21 | Yes |
| 646-297 | NWYRCYZN01 | 9104 | — | — |
| 646-298 | NWYRCYZN01 | 6622 | — | Yes |
| 646-299 | NWYRCYZN01 | 6622 | 2002-02-01 | 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.