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 |
|---|---|---|---|---|---|
| 612-852 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MN | 7783 | TWINCITIES | MN | |
| 612-913 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TWINCITIES | MN | |
| 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 | |
| 615-216 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | MURFREESBO | TN | |
| 615-238 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-250 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-261 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | FRANKLIN | TN | |
| 615-296 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-301 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-312 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-346 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-369 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-467 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-468 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | FRANKLIN | TN | |
| 615-469 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-472 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | FRANKLIN | TN | |
| 615-523 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-526 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | OLDHICKORY | TN | |
| 615-528 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | GOODLETSVL | TN | |
| 615-534 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | SMYRNA | TN | |
| 615-537 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | HENDERSNVL | TN | |
| 615-634 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-777 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN | |
| 615-843 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN |
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.