All assignees
798 prefixes in 305 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 305-200 | MIAMI | 9417 | — | Yes |
| 305-201 | MIAMI | 6548 | — | — |
| 305-202 | MIAMI | 6214 | 2006-11-21 | Yes |
| 305-203 | KEYS | 982E | 2012-08-13 | Yes |
| 305-204 | KEYS | 318J | 2014-09-04 | Yes |
| 305-205 | MIAMI | 6214 | — | — |
| 305-206 | NORTH DADE | 6214 | — | Yes |
| 305-207 | MIAMI | 9417 | — | — |
| 305-208 | MIAMI | 6630 | — | — |
| 305-209 | KEYS | 902E | 2012-05-31 | Yes |
| 305-210 | MIAMI | 6548 | — | — |
| 305-211 | XXXXXXXXXX | MULT | — | — |
| 305-212 | MIAMI | 6630 | — | — |
| 305-213 | MIAMI | 6214 | — | — |
| 305-214 | MIAMI | 6548 | — | — |
| 305-215 | MIAMI | 6214 | — | — |
| 305-216 | MIAMI | 6889 | — | Yes |
| 305-217 | MIAMI | 6548 | — | — |
| 305-218 | NORTH DADE | 6889 | — | Yes |
| 305-219 | MIAMI | 6889 | — | Yes |
| 305-220 | MIAMI | 9417 | — | — |
| 305-221 | MIAMI | 9417 | — | — |
| 305-222 | MIAMI | 9417 | — | Yes |
| 305-223 | MIAMI | 9417 | — | — |
| 305-224 | HOMESTEAD | 9417 | — | Yes |
| 305-225 | MIAMI | 9417 | — | — |
| 305-226 | MIAMI | 9417 | — | — |
| 305-227 | MIAMI | 9417 | — | — |
| 305-228 | MIAMI | 9417 | — | — |
| 305-229 | MIAMI | 9417 | — | — |
| 305-230 | HOMESTEAD | 9417 | — | Yes |
| 305-231 | MIAMI | 9417 | — | — |
| 305-232 | PERRINE | 9417 | — | — |
| 305-233 | PERRINE | 9417 | — | — |
| 305-234 | PERRINE | 9417 | — | — |
| 305-235 | PERRINE | 9417 | — | — |
| 305-236 | KEYS | 6548 | — | — |
| 305-237 | MIAMI | 9417 | — | — |
| 305-238 | PERRINE | 9417 | — | — |
| 305-239 | KEYS | 159H | 2013-07-31 | Yes |
| 305-240 | KEYS | 6502 | — | Yes |
| 305-241 | MIAMI | 9748 | — | — |
| 305-242 | HOMESTEAD | 9417 | — | — |
| 305-243 | MIAMI | 9417 | — | — |
| 305-244 | MIAMI | 5562 | — | — |
| 305-245 | HOMESTEAD | 9417 | — | — |
| 305-246 | HOMESTEAD | 9417 | — | — |
| 305-247 | HOMESTEAD | 9417 | — | — |
| 305-248 | HOMESTEAD | 9417 | — | — |
| 305-249 | NORTH DADE | 9417 | — | Yes |
| 305-250 | MIAMI | 9417 | — | Yes |
| 305-251 | PERRINE | 9417 | — | — |
| 305-252 | PERRINE | 9417 | — | — |
| 305-253 | PERRINE | 9417 | — | — |
| 305-254 | PERRINE | 9417 | — | — |
| 305-255 | PERRINE | 9417 | — | — |
| 305-256 | PERRINE | 9417 | — | — |
| 305-257 | HOMESTEAD | 9417 | — | Yes |
| 305-258 | HOMESTEAD | 9417 | — | — |
| 305-259 | PERRINE | 9417 | — | — |
| 305-260 | MIAMI | 9417 | — | Yes |
| 305-261 | MIAMI | 9417 | — | — |
| 305-262 | MIAMI | 9417 | — | — |
| 305-263 | MIAMI | 9417 | — | Yes |
| 305-264 | MIAMI | 9417 | — | — |
| 305-265 | MIAMI | 9417 | — | — |
| 305-266 | MIAMI | 9417 | — | — |
| 305-267 | MIAMI | 9417 | — | — |
| 305-268 | MIAMI | 6548 | — | — |
| 305-269 | MIAMI | 9417 | — | Yes |
| 305-270 | MIAMI | 9417 | — | — |
| 305-271 | MIAMI | 9417 | — | — |
| 305-272 | MIAMI | 6630 | — | — |
| 305-273 | MIAMI | 9417 | — | — |
| 305-274 | MIAMI | 9417 | — | — |
| 305-275 | MIAMI | 9417 | — | — |
| 305-276 | MIAMI | 6630 | — | — |
| 305-277 | MIAMI | 6630 | — | — |
| 305-278 | PERRINE | 9417 | — | — |
| 305-279 | MIAMI | 9417 | — | — |
| 305-280 | KEYS | 829J | — | Yes |
| 305-281 | PERRINE | 6214 | — | — |
| 305-282 | PERRINE | 6214 | — | — |
| 305-283 | PERRINE | 6214 | — | — |
| 305-284 | MIAMI | 9417 | — | — |
| 305-285 | MIAMI | 9417 | — | — |
| 305-286 | MIAMI | 9748 | — | — |
| 305-287 | MIAMI | 6630 | — | — |
| 305-288 | MIAMI | 6630 | — | — |
| 305-289 | KEYS | 9417 | — | Yes |
| 305-290 | KEYS | 5562 | 2011-05-10 | Yes |
| 305-291 | MIAMI | 6630 | — | — |
| 305-292 | KEYS | 9417 | — | — |
| 305-293 | KEYS | 9417 | — | — |
| 305-294 | KEYS | 9417 | — | — |
| 305-295 | KEYS | 9417 | — | — |
| 305-296 | KEYS | 9417 | — | — |
| 305-297 | MIAMI | 6214 | — | — |
| 305-298 | MIAMI | 6214 | — | — |
| 305-299 | MIAMI | 6214 | — | — |
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.