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 |
|---|---|---|---|---|---|
| 708-402 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIVERGROVE | IL | |
| 708-405 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FOREST | IL | |
| 708-406 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OAK PARK | IL | |
| 708-416 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CICERO | IL | |
| 708-432 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | BELLWOOD | IL | |
| 708-459 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OAK LAWN | IL | |
| 708-469 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LA GRANGE | IL | |
| 708-486 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MAYWOOD | IL | |
| 708-551 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MAYWOOD | IL | |
| 708-566 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HARVEY | IL | |
| 708-589 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HARVEY | IL | |
| 708-590 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | ORLAND | IL | |
| 708-608 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PALOS PARK | IL | |
| 708-622 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OAK PARK | IL | |
| 708-625 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SUMMIT | IL | |
| 708-657 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FOREST | IL | |
| 708-658 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OAK LAWN | IL | |
| 708-678 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTERNSPG | IL | |
| 708-740 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | THORNTON | IL | |
| 708-775 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BERWYN | IL | |
| 708-776 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FOREST | IL | |
| 708-777 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIVERSIDE | IL | |
| 708-816 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HOMEWOOD | IL | |
| 708-827 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PALOS PARK | IL | |
| 708-842 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIVERGROVE | IL | |
| 708-843 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICAGOHTS | IL | |
| 708-844 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BLUEISLAND | IL | |
| 708-850 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CICERO | IL | |
| 708-851 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OAK PARK | IL | |
| 708-883 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIVERSIDE | IL | |
| 708-887 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN03 | IL | |
| 708-918 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | HOMEWOOD | IL | |
| 708-929 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | SUMMIT | IL | |
| 708-983 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICAGOHTS | IL | |
| 713-241 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-280 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HSTNSUBURB | TX | |
| 713-292 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-300 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-331 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-332 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-344 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-346 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-354 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-357 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-369 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-401 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-423 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-425 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX | |
| 713-470 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX |
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.