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 |
|---|---|---|---|---|---|
| 216-763 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | TERRACE | OH | |
| 216-803 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 216-823 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | MONTRSE | OH | |
| 216-834 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | INDEPNDNCE | OH | |
| 216-910 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | TERRACE | OH | |
| 216-912 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 216-916 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 216-920 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 216-923 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 216-928 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 216-929 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 216-977 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 217-204 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | JACKSONVL | IL | |
| 217-361 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SPRINGFLD | IL | |
| 217-866 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHAMPAURBN | IL | |
| 217-883 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JACKSONVL | IL | |
| 218-213 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MN | 7783 | DULUTH | MN | |
| 223-228 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHAMBERSBG | PA | |
| 224-568 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HALF DAY | IL | |
| 225-614 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA | 8764 | BATONROUGE | LA | |
| 229-520 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | TIFTON | GA | |
| 231-486 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7157 | TRAVERSECY | MI | |
| 240-206 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG236Z14 | MD | |
| 240-223 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN2 | MD | |
| 240-243 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GAITHERSBG | MD | |
| 240-247 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN3 | MD | |
| 240-260 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG236Z14 | MD | |
| 240-268 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN10 | MD | |
| 240-290 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN11 | MD | |
| 240-294 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAUREL236 | MD | |
| 240-306 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GAITHERSBG | MD | |
| 240-399 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN10 | MD | |
| 240-437 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ASHTON236 | MD | |
| 240-510 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG236Z15 | MD | |
| 240-553 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG236Z13 | MD | |
| 240-554 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAUREL236 | MD | |
| 240-559 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ASHTON236 | MD | |
| 240-616 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG236Z13 | MD | |
| 240-620 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN10 | MD | |
| 240-644 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN2 | MD | |
| 240-645 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN3 | MD | |
| 240-745 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DAMASCS236 | MD | |
| 240-764 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN4 | MD | |
| 240-765 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN5 | MD | |
| 240-766 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN6 | MD | |
| 240-778 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN10 | MD | |
| 240-833 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN11 | MD | |
| 240-841 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAUREL238 | MD | |
| 240-842 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z14 | MD | |
| 240-843 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNG238Z13 | MD |
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.