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 |
|---|---|---|---|---|---|
| 207-464 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTBROOK | ME | |
| 208-209 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ID | 678B | HAYDENLAKE | ID | |
| 208-292 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ID | 678B | COERDALENE | ID | |
| 208-298 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEWISTON | ID | |
| 208-415 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ID | 678B | COERDALENE | ID | |
| 208-416 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ID | 678B | COERDALENE | ID | |
| 208-446 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COERDALENE | ID | |
| 208-618 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ID | 678B | POST FALLS | ID | |
| 208-619 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ID | 678B | POST FALLS | ID | |
| 208-717 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEWISTON | ID | |
| 208-748 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEWISTON | ID | |
| 208-763 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ID | 678B | COERDALENE | ID | |
| 208-848 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEWISTON | ID | |
| 209-221 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7128 | TRACY | CA | |
| 209-235 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7128 | STOCKTON | CA | |
| 209-242 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7128 | STOCKTON | CA | |
| 209-332 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7128 | IONE | CA | |
| 209-371 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7128 | LODI | CA | |
| 210-247 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-248 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-253 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-254 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-280 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-301 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-339 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-406 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-453 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-484 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-515 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-516 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-568 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-579 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-587 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-798 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-814 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-835 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-836 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-838 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-839 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-883 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-937 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 212-220 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-241 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-271 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-276 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-287 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-292 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-293 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-294 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-295 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY |
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.