NumberResearchRecent prefix assignments
369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
New assignments by month
Sep 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 305-608 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-609 | METROPCS, INC. | 5562 | MIAMI | FL | |
| 305-610 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | NORTH DADE | FL | |
| 305-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | FL | |
| 305-612 | OPTICAL TELECOMMUNICATIONS, INC. - FL | 480D | PERRINE | FL | |
| 305-613 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-614 | PEERLESS NETWORK OF FLORIDA, LLC - FL | 902E | NORTH DADE | FL | |
| 305-616 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTH DADE | FL | |
| 305-617 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-618 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-619 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | KEYS | FL | |
| 305-620 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-621 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-622 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-623 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-624 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-625 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-626 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-627 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-628 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-629 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-630 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-631 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-632 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-633 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-634 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-635 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-636 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-637 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-638 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-639 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-640 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-641 | SPOK, INC. | 6630 | MIAMI | FL | |
| 305-642 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-643 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-644 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-646 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-647 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | KEYS | FL | |
| 305-648 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-649 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-650 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-651 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-652 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-653 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-654 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-655 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | NORTH DADE | FL | |
| 305-656 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTH DADE | FL | |
| 305-657 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTH DADE | FL | |
| 305-658 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTH DADE | FL | |
| 305-659 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTH DADE | FL |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.