NumberResearchRecent prefix assignments
0 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.
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 662-796 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | MS | |
| 678-202 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 678-224 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 678-225 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-226 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-249 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-250 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-255 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 678-256 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-258 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-259 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-260 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 678-278 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 678-279 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 678-280 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-281 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-282 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-285 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 678-298 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 678-302 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 678-303 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 678-306 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 678-317 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-324 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 678-330 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-331 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 678-332 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-333 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-334 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-336 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-337 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 678-338 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-356 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-365 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 678-405 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-412 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 678-424 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 678-430 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-433 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 678-434 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 678-435 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA SO | GA | |
| 678-436 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-444 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 678-543 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-601 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CARROLLTON | GA | |
| 678-609 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | CONYERS | GA | |
| 678-722 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 678-734 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA SO | GA | |
| 678-736 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 678-737 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA |
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.