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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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 305-258 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | HOMESTEAD | FL | |
| 305-259 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | PERRINE | FL | |
| 305-260 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-261 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-262 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-263 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-264 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-265 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-266 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-267 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-268 | ABC PAGING CITY BEEPERS, INC. | 6548 | MIAMI | FL | |
| 305-269 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-270 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-271 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-272 | SPOK, INC. | 6630 | MIAMI | FL | |
| 305-273 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-274 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-275 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-276 | SPOK, INC. | 6630 | MIAMI | FL | |
| 305-277 | SPOK, INC. | 6630 | MIAMI | FL | |
| 305-278 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | PERRINE | FL | |
| 305-279 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-280 | PAETEC ITEL, LLC | 829J | KEYS | FL | |
| 305-281 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PERRINE | FL | |
| 305-282 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PERRINE | FL | |
| 305-283 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PERRINE | FL | |
| 305-284 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-285 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MIAMI | FL | |
| 305-286 | AMERICAN MESSAGING SERVICES, LLC | 9748 | MIAMI | FL | |
| 305-287 | SPOK, INC. | 6630 | MIAMI | FL | |
| 305-288 | SPOK, INC. | 6630 | MIAMI | FL | |
| 305-289 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | KEYS | FL | |
| 305-291 | SPOK, INC. | 6630 | MIAMI | FL | |
| 305-292 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | KEYS | FL | |
| 305-293 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | KEYS | FL | |
| 305-294 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | KEYS | FL | |
| 305-295 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | KEYS | FL | |
| 305-296 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | KEYS | FL | |
| 305-297 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-298 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-299 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-300 | METROPCS, INC. | 5562 | MIAMI | FL | |
| 305-301 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-302 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MIAMI | FL | |
| 305-303 | METROPCS, INC. | 5562 | MIAMI | FL | |
| 305-304 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KEYS | FL | |
| 305-305 | METROPCS, INC. | 5562 | MIAMI | FL | |
| 305-307 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | KEYS | FL | |
| 305-308 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NORTH DADE | FL | |
| 305-309 | ABC PAGING CITY BEEPERS, INC. | 6548 | 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.