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 |
|---|---|---|---|---|---|
| 847-442 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HALF DAY | IL | |
| 847-443 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | FOX LAKE | IL | |
| 847-447 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FRANKLINPK | IL | |
| 847-448 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | EVANSTON | IL | |
| 847-460 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DESPLAINES | IL | |
| 847-463 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | ARLIGTNHTS | IL | |
| 847-481 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | ARLIGTNHTS | IL | |
| 847-510 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GLENVIEW | IL | |
| 847-512 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WILMETTE | IL | |
| 847-572 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DEERFIELD | IL | |
| 847-575 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HALF DAY | IL | |
| 847-585 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ROSELLE | IL | |
| 847-596 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WAUKEGAN | IL | |
| 847-597 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DEERFIELD | IL | |
| 847-598 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ROSELLE | IL | |
| 847-620 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BARRINGTON | IL | |
| 847-631 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | ELK GROVE | IL | |
| 847-649 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DUNDEE | IL | |
| 847-653 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | PARK RIDGE | IL | |
| 847-654 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PALATINE | IL | |
| 847-656 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | NORTHBROOK | IL | |
| 847-709 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELK GROVE | IL | |
| 847-713 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BARRINGTON | IL | |
| 847-716 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WINNETKA | IL | |
| 847-717 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELGIN | IL | |
| 847-719 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAKEZURICH | IL | |
| 847-739 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAKEFOREST | IL | |
| 847-745 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | SKOKIE | IL | |
| 847-748 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HIGHLANDPK | IL | |
| 847-750 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BENSENVL | IL | |
| 847-756 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | BARRINGTON | IL | |
| 847-760 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | ELGIN | IL | |
| 847-771 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HALF DAY | IL | |
| 847-777 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | WHEELING | IL | |
| 847-783 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DUNDEE | IL | |
| 847-789 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | DESPLAINES | IL | |
| 847-790 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NORTHBROOK | IL | |
| 847-841 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | ELGIN | IL | |
| 847-876 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HALF DAY | IL | |
| 847-881 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WINNETKA | IL | |
| 847-892 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GLENCOE | IL | |
| 847-904 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GLENVIEW | IL | |
| 847-906 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WILMETTE | IL | |
| 847-908 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ROSELLE | IL | |
| 847-916 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | FRANKLINPK | IL | |
| 847-954 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | DESPLAINES | IL | |
| 847-990 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | LIBERTYVL | IL | |
| 847-993 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | PARK RIDGE | IL | |
| 847-996 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LIBERTYVL | IL | |
| 856-210 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | BERLIN | NJ |
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.