All assignees
798 prefixes in 305 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 305-400 | MIAMI | 9417 | — | Yes |
| 305-401 | MIAMI | 6502 | — | — |
| 305-402 | NORTH DADE | 8664 | 2003-09-05 | Yes |
| 305-403 | MIAMI | 829J | — | Yes |
| 305-404 | MIAMI | 937C | 2023-05-31 | Yes |
| 305-405 | NORTH DADE | 829J | — | Yes |
| 305-406 | MIAMI | 9417 | — | — |
| 305-407 | KEYS | 6214 | — | Yes |
| 305-408 | MIAMI | 9417 | — | — |
| 305-409 | NORTH DADE | 6214 | — | — |
| 305-410 | MIAMI | 6548 | — | — |
| 305-411 | XXXXXXXXXX | MULT | — | — |
| 305-412 | MIAMI | 9417 | — | — |
| 305-413 | KEYS | 937C | 2020-12-10 | Yes |
| 305-414 | KEYS | 982E | 2011-04-20 | Yes |
| 305-415 | MIAMI | 9417 | — | Yes |
| 305-416 | MIAMI | 9417 | — | Yes |
| 305-417 | KEYS | 5562 | 2011-09-16 | Yes |
| 305-418 | MIAMI | 9417 | — | Yes |
| 305-419 | KEYS | 937C | 2022-10-10 | Yes |
| 305-420 | MIAMI | 8300 | — | Yes |
| 305-421 | MIAMI | 8300 | — | Yes |
| 305-422 | KEYS | 8664 | 2003-09-05 | Yes |
| 305-423 | MIAMI | 8664 | — | Yes |
| 305-424 | MIAMI | 9417 | — | Yes |
| 305-425 | KEYS | 8664 | 2003-09-05 | Yes |
| 305-426 | MIAMI | 6548 | — | — |
| 305-427 | MIAMI | 6889 | 2022-02-08 | Yes |
| 305-428 | MIAMI | 8300 | — | Yes |
| 305-429 | NORTH DADE | 6889 | 2021-10-08 | Yes |
| 305-430 | NORTH DADE | 9417 | — | Yes |
| 305-431 | PERRINE | 6214 | — | — |
| 305-432 | KEYS | 4802 | — | Yes |
| 305-433 | KEYS | 8300 | — | Yes |
| 305-434 | KEYS | 8300 | — | Yes |
| 305-435 | MIAMI | 6548 | — | — |
| 305-436 | MIAMI | 9417 | — | — |
| 305-437 | MIAMI | 9417 | — | — |
| 305-438 | MIAMI | 9417 | — | Yes |
| 305-439 | MIAMI | 6214 | — | — |
| 305-440 | KEYS | 318J | 2012-12-19 | Yes |
| 305-441 | MIAMI | 9417 | — | — |
| 305-442 | MIAMI | 9417 | — | — |
| 305-443 | MIAMI | 9417 | — | — |
| 305-444 | MIAMI | 9417 | — | — |
| 305-445 | MIAMI | 9417 | — | — |
| 305-446 | MIAMI | 9417 | — | — |
| 305-447 | MIAMI | 9417 | — | — |
| 305-448 | MIAMI | 9417 | — | — |
| 305-449 | KEYS | 624H | 2021-10-08 | Yes |
| 305-450 | NORTH DADE | 6214 | — | — |
| 305-451 | KEYS | 9417 | — | — |
| 305-452 | NORTH DADE | 982E | 2021-12-08 | Yes |
| 305-453 | KEYS | 9417 | — | Yes |
| 305-454 | NORTH DADE | 318J | — | Yes |
| 305-455 | MIAMI | 829J | — | Yes |
| 305-456 | MIAMI | 318J | — | — |
| 305-457 | MIAMI | 6889 | 2007-01-08 | Yes |
| 305-458 | MIAMI | 6214 | — | — |
| 305-459 | MIAMI | 8300 | — | Yes |
| 305-460 | MIAMI | 9417 | — | — |
| 305-461 | MIAMI | 9417 | — | — |
| 305-462 | MIAMI | 8300 | 2022-01-12 | Yes |
| 305-463 | MIAMI | 9417 | — | Yes |
| 305-464 | MIAMI | 6889 | 2022-02-08 | Yes |
| 305-465 | KEYS | 965H | 2020-09-29 | Yes |
| 305-466 | NORTH DADE | 9417 | — | — |
| 305-467 | NORTH DADE | 5562 | — | Yes |
| 305-468 | MIAMI | 9417 | — | Yes |
| 305-469 | NORTH DADE | 6214 | — | — |
| 305-470 | MIAMI | 9417 | — | — |
| 305-471 | MIAMI | 9417 | — | — |
| 305-472 | MIAMI | 6548 | — | — |
| 305-473 | MIAMI | 6548 | — | — |
| 305-474 | NORTH DADE | 9417 | — | — |
| 305-475 | MIAMI | 6548 | — | — |
| 305-476 | MIAMI | 9417 | — | — |
| 305-477 | MIAMI | 9417 | — | — |
| 305-478 | MIAMI | 6548 | — | — |
| 305-479 | MIAMI | 5562 | — | Yes |
| 305-480 | MIAMI | 9417 | — | — |
| 305-481 | KEYS | 6889 | — | Yes |
| 305-482 | MIAMI | 9417 | — | Yes |
| 305-483 | MIAMI | 6630 | — | — |
| 305-484 | PERRINE | 6214 | — | — |
| 305-485 | MIAMI | 9417 | — | — |
| 305-486 | MIAMI | 6548 | — | — |
| 305-487 | MIAMI | 9417 | — | Yes |
| 305-488 | NORTH DADE | 937C | 2023-05-31 | Yes |
| 305-489 | KEYS | 8664 | 2003-09-05 | Yes |
| 305-490 | MIAMI | 6889 | — | — |
| 305-491 | MIAMI | 6889 | — | — |
| 305-492 | MIAMI | 9417 | — | Yes |
| 305-493 | NORTH DADE | 9417 | — | Yes |
| 305-494 | NORTH DADE | 6889 | — | Yes |
| 305-495 | MIAMI | 6214 | — | — |
| 305-496 | MIAMI | 6214 | — | — |
| 305-497 | KEYS | 6889 | 2015-11-11 | Yes |
| 305-498 | MIAMI | 6214 | — | — |
| 305-499 | MIAMI | 9417 | — | 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.