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 |
|---|---|---|---|---|---|
| 240-845 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG236Z13 | MD | |
| 240-846 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN16 | MD | |
| 248-209 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | PONTIAC | MI | |
| 248-218 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROCHESTER | MI | |
| 248-239 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | PONTIAC | MI | |
| 248-260 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | AUBURN HTS | MI | |
| 248-264 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SOUTH LYON | MI | |
| 248-270 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | AUBURN HTS | MI | |
| 248-281 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SOUTHFIELD | MI | |
| 248-282 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BIRMINGHAM | MI | |
| 248-283 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BIRMINGHAM | MI | |
| 248-284 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROYAL OAK | MI | |
| 248-287 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | LAKE ORION | MI | |
| 248-291 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROYAL OAK | MI | |
| 248-292 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | PONTIAC | MI | |
| 248-295 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | WALLEDLAKE | MI | |
| 248-319 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | NORTHVILLE | MI | |
| 248-365 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | PONTIAC | MI | |
| 248-369 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | HOLLY | MI | |
| 248-397 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROYAL OAK | MI | |
| 248-415 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SOUTHFIELD | MI | |
| 248-430 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BIRMINGHAM | MI | |
| 248-453 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROCHESTER | MI | |
| 248-460 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | OXFORD | MI | |
| 248-461 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | DRAYTON PL | MI | |
| 248-479 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FARMINGTON | MI | |
| 248-482 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FARMINGTON | MI | |
| 248-502 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BIRMINGHAM | MI | |
| 248-564 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | AUBURN HTS | MI | |
| 248-567 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | NORTHVILLE | MI | |
| 248-575 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | CLARKSTON | MI | |
| 248-581 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROYAL OAK | MI | |
| 248-654 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROYAL OAK | MI | |
| 248-659 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROCHESTER | MI | |
| 248-671 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | W BLOOMFLD | MI | |
| 248-692 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | NORTHVILLE | MI | |
| 248-694 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | COMMERCE | MI | |
| 248-697 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | NORTHVILLE | MI | |
| 248-702 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | W BLOOMFLD | MI | |
| 248-712 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BIRMINGHAM | MI | |
| 248-727 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SOUTHFIELD | MI | |
| 248-728 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SOUTHFIELD | MI | |
| 248-729 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | TROY | MI | |
| 248-744 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROYAL OAK | MI | |
| 248-748 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | MILFDWH LK | MI | |
| 248-750 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SOUTHFIELD | MI | |
| 248-764 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | TROY | MI | |
| 248-784 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SOUTHFIELD | MI | |
| 248-785 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | W BLOOMFLD | MI | |
| 248-786 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | TROY | MI |
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.