NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 770-373 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 770-375 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-376 | PAETEC ITEL, LLC | 829J | ATLANTA SO | GA | |
| 770-377 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ATLANTA NE | GA | |
| 770-378 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ATLANTA NE | GA | |
| 770-379 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-380 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ATLANTA NE | GA | |
| 770-381 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-382 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | CARTERSVL | GA | |
| 770-383 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | CARTERSVL | GA | |
| 770-384 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA | |
| 770-385 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | COVINGTON | GA | |
| 770-386 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | CARTERSVL | GA | |
| 770-387 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | CARTERSVL | GA | |
| 770-388 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | CONYERS | GA | |
| 770-389 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA SO | GA | |
| 770-390 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-391 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-392 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-393 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-394 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-395 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-396 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-397 | SPOK, INC. | 6630 | ATLANTA NE | GA | |
| 770-399 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-401 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ATLANTA NE | GA | |
| 770-402 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ATLANTA NE | GA | |
| 770-403 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ATLANTA NE | GA | |
| 770-404 | ONVOY, LLC - GA | 067D | ATLANTA NE | GA | |
| 770-405 | PAETEC ITEL, LLC | 829J | ATLANTA NW | GA | |
| 770-406 | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | 8392 | CUMMING | GA | |
| 770-407 | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | 8392 | ATLANTA NE | GA | |
| 770-408 | PAETEC ITEL, LLC | 829J | ATLANTA NE | GA | |
| 770-409 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-410 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | GA | |
| 770-412 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | GRIFFIN | GA | |
| 770-413 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-414 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-416 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-417 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-418 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NE | GA | |
| 770-419 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA | |
| 770-420 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA | |
| 770-421 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA | |
| 770-422 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA | |
| 770-423 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA | |
| 770-424 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA | |
| 770-425 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA | |
| 770-426 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | ATLANTA NW | GA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.