NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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.
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 513-699 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | CINCINNATI | OH | |
| 513-712 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | BETHANY | OH | |
| 513-714 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | HAMILTON | OH | |
| 513-716 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | LTL MIAMI | OH | |
| 513-717 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | SHANDON | OH | |
| 513-718 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | CLERMONT | OH | |
| 513-719 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | CINCINNATI | OH | |
| 513-843 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | CLERMONT | OH | |
| 513-845 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | HARRISON | OH | |
| 513-847 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | BETHANY | OH | |
| 614-283 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | NEW ALBANY | OH | |
| 614-334 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | HILLIARD | OH | |
| 614-340 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-343 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | GROVEPORT | OH | |
| 614-358 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-386 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-410 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | WORTHINGTN | OH | |
| 614-413 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | NEW ALBANY | OH | |
| 614-416 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | GAHANNA | OH | |
| 614-417 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | CANALWHSTR | OH | |
| 614-437 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-455 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-540 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | WORTHINGTN | OH | |
| 614-543 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | WORTHINGTN | OH | |
| 614-552 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | REYNOLDSBG | OH | |
| 614-559 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-573 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-583 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-675 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | ALTON | OH | |
| 614-737 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | COLUMBUS | OH | |
| 614-748 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | LOCKBOURNE | OH | |
| 614-750 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | GAHANNA | OH | |
| 614-807 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | WORTHINGTN | OH | |
| 614-839 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | WESTERVL | OH | |
| 614-883 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | GROVE CITY | OH | |
| 614-923 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | DUBLIN | OH | |
| 740-457 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | STEUBENVL | OH | |
| 740-888 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CHESHIRCTR | OH | |
| 740-951 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | PATASKALA | OH | |
| 937-284 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | SPRINGFLD | OH | |
| 937-514 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | FRANKLIN | OH |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.