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
Aug 2026
Jul 2026
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Mar 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 305-548 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-549 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-550 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-551 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-552 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-553 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-554 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | FL | |
| 305-556 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-557 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-558 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-559 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-560 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-562 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PERRINE | FL | |
| 305-566 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-567 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-568 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-569 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-571 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-572 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-573 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-575 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-576 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-577 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-578 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-579 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-580 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-581 | PAETEC ITEL, LLC | 829J | KEYS | FL | |
| 305-582 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-584 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-585 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-586 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-587 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KEYS | FL | |
| 305-588 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-590 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-591 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-592 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-593 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-594 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-595 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-596 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-597 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-598 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-599 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-601 | SPOK, INC. | 6630 | MIAMI | FL | |
| 305-603 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-604 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-605 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-606 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-607 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | 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.