All assignees
798 prefixes in 305 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 305-300 | MIAMI | 5562 | — | — |
| 305-301 | MIAMI | 6214 | — | — |
| 305-302 | MIAMI | 6214 | — | — |
| 305-303 | MIAMI | 5562 | — | — |
| 305-304 | KEYS | 6214 | — | — |
| 305-305 | MIAMI | 5562 | — | — |
| 305-306 | KEYS | 982E | 2014-04-08 | Yes |
| 305-307 | KEYS | 8664 | — | Yes |
| 305-308 | NORTH DADE | 6214 | — | — |
| 305-309 | MIAMI | 6548 | — | — |
| 305-310 | MIAMI | 6214 | — | — |
| 305-311 | XXXXXXXXXX | MULT | — | — |
| 305-312 | MIAMI | 6630 | — | — |
| 305-313 | MIAMI | 6630 | — | — |
| 305-314 | MIAMI | 6630 | — | — |
| 305-315 | KEYS | 937C | 2023-06-26 | Yes |
| 305-316 | MIAMI | 5562 | 2006-12-02 | Yes |
| 305-317 | KEYS | 982E | 2020-12-11 | Yes |
| 305-318 | NORTH DADE | 6214 | — | — |
| 305-319 | NORTH DADE | 6214 | — | — |
| 305-320 | KEYS | 971D | 2007-03-21 | Yes |
| 305-321 | MIAMI | 5562 | — | Yes |
| 305-322 | MIAMI | 6214 | — | — |
| 305-323 | MIAMI | 6214 | — | — |
| 305-324 | MIAMI | 9417 | — | — |
| 305-325 | MIAMI | 9417 | — | — |
| 305-326 | MIAMI | 9417 | — | Yes |
| 305-327 | MIAMI | 6548 | — | — |
| 305-328 | PERRINE | 8664 | — | — |
| 305-329 | MIAMI | 9417 | — | — |
| 305-330 | KEYS | 902E | 2011-09-14 | Yes |
| 305-331 | NORTH DADE | 6214 | — | — |
| 305-332 | NORTH DADE | 6214 | — | — |
| 305-333 | NORTH DADE | 6214 | — | — |
| 305-334 | KEYS | 624H | 2021-05-14 | Yes |
| 305-335 | NORTH DADE | 6214 | — | — |
| 305-336 | NORTH DADE | 6214 | — | — |
| 305-337 | KEYS | 5562 | 2021-06-09 | Yes |
| 305-338 | PERRINE | 6214 | — | — |
| 305-339 | KEYS | 6889 | 2021-07-14 | Yes |
| 305-340 | KEYS | 6502 | 2011-05-13 | Yes |
| 305-341 | MIAMI | 8300 | — | — |
| 305-342 | MIAMI | 6214 | — | — |
| 305-343 | NORTH DADE | 6214 | — | — |
| 305-344 | MIAMI | 6548 | — | — |
| 305-345 | MIAMI | 5562 | — | Yes |
| 305-346 | MIAMI | 9748 | — | — |
| 305-347 | MIAMI | 9417 | — | Yes |
| 305-348 | MIAMI | 9417 | — | — |
| 305-349 | MIAMI | 9417 | — | Yes |
| 305-350 | MIAMI | 9417 | — | — |
| 305-351 | MIAMI | 8664 | — | Yes |
| 305-352 | MIAMI | 6630 | — | — |
| 305-353 | MIAMI | 6630 | — | — |
| 305-354 | NORTH DADE | 9417 | — | Yes |
| 305-355 | MIAMI | 9417 | — | — |
| 305-356 | NORTH DADE | 8664 | — | — |
| 305-357 | MIAMI | 7229 | — | Yes |
| 305-358 | MIAMI | 9417 | — | — |
| 305-359 | KEYS | 8664 | — | Yes |
| 305-360 | KEYS | 6889 | 2001-11-27 | Yes |
| 305-361 | MIAMI | 9417 | — | — |
| 305-362 | MIAMI | 9417 | — | — |
| 305-363 | KEYS | 4802 | 2015-03-18 | Yes |
| 305-364 | MIAMI | 9417 | — | Yes |
| 305-365 | MIAMI | 9417 | — | — |
| 305-366 | MIAMI | 6630 | — | — |
| 305-367 | KEYS | 9417 | — | Yes |
| 305-368 | MIAMI | 6630 | — | — |
| 305-369 | MIAMI | 8300 | 2026-03-31 | Yes |
| 305-370 | NORTH DADE | 8300 | — | Yes |
| 305-371 | MIAMI | 9417 | — | — |
| 305-372 | MIAMI | 9417 | — | — |
| 305-373 | MIAMI | 9417 | — | — |
| 305-374 | MIAMI | 9417 | — | — |
| 305-375 | MIAMI | 9417 | — | — |
| 305-376 | MIAMI | 9417 | — | Yes |
| 305-377 | MIAMI | 9417 | — | — |
| 305-378 | PERRINE | 9417 | — | — |
| 305-379 | MIAMI | 9417 | — | — |
| 305-380 | MIAMI | 9417 | — | Yes |
| 305-381 | MIAMI | 9417 | — | Yes |
| 305-382 | MIAMI | 9417 | — | — |
| 305-383 | MIAMI | 9417 | — | — |
| 305-384 | NORTH DADE | 8664 | — | Yes |
| 305-385 | MIAMI | 9417 | — | — |
| 305-386 | MIAMI | 9417 | — | — |
| 305-387 | MIAMI | 9417 | — | — |
| 305-388 | MIAMI | 9417 | — | — |
| 305-389 | MIAMI | 6502 | — | — |
| 305-390 | KEYS | 8664 | — | Yes |
| 305-391 | KEYS | 937C | 2021-09-16 | Yes |
| 305-392 | MIAMI | 9417 | — | Yes |
| 305-393 | KEYS | 6214 | — | Yes |
| 305-394 | KEYS | 6214 | — | Yes |
| 305-395 | KEYS | 6214 | — | Yes |
| 305-396 | KEYS | 8664 | — | Yes |
| 305-397 | MIAMI | 6502 | 2006-12-21 | Yes |
| 305-398 | MIAMI | 829J | — | — |
| 305-399 | KEYS | 6889 | 2014-12-09 | 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.