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 |
|---|---|---|---|---|---|
| 2001-01-10 | 914-432 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | OSSINING | NY |
| 2001-01-10 | 914-530 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | MT VERNON | NY |
| 2001-01-10 | 914-623 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | WSCHSTZN01 | NY |
| 2001-01-10 | 914-733 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | MOUNTKISCO | NY |
| 2001-01-10 | 914-819 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | WSCHSTZN03 | NY |
| 2001-01-10 | 914-886 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | WSCHSTZN04 | NY |
| 2001-01-10 | 914-902 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | WSCHSTZN05 | NY |
| 2001-01-09 | 978-517 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | AMESBURY | MA |
| 2001-01-09 | 978-564 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DANVERS | MA |
| 2001-01-09 | 978-610 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CONCORD | MA |
| 2001-01-04 | 904-853 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JACKSOLBCH | FL |
| 2001-01-02 | 305-574 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | PERRINE | FL |
| 201-267 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ORADELL | NJ | |
| 201-272 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UNION CITY | NJ | |
| 201-292 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | LEONIA | NJ | |
| 201-297 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLOSTER | NJ | |
| 201-299 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KEARNY | NJ | |
| 201-300 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FAIR LAWN | NJ | |
| 201-301 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIDGEWOOD | NJ | |
| 201-322 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ORADELL | NJ | |
| 201-326 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PARK RIDGE | NJ | |
| 201-328 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLIFFSIDE | NJ | |
| 201-331 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CRAGMERE | NJ | |
| 201-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIDGEWOOD | NJ | |
| 201-347 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TEANECK | NJ | |
| 201-352 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UNION CITY | NJ | |
| 201-353 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TEANECK | NJ | |
| 201-367 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLOSTER | NJ | |
| 201-374 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DUMONT | NJ | |
| 201-375 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HASBROKHTS | NJ | |
| 201-383 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTWOOD | NJ | |
| 201-399 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ENGLEWOOD | NJ | |
| 201-402 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLIFFSIDE | NJ | |
| 201-403 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | HACKENSACK | NJ | |
| 201-408 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ENGLEWOOD | NJ | |
| 201-414 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FAIR LAWN | NJ | |
| 201-425 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WYCKOFF | NJ | |
| 201-427 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JERSEYCITY | NJ | |
| 201-428 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KEARNY | NJ | |
| 201-429 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEONIA | NJ | |
| 201-465 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OAKLAND | NJ | |
| 201-499 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JERSEYCITY | NJ | |
| 201-518 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HACKENSACK | NJ | |
| 201-520 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | UNION CITY | NJ | |
| 201-526 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JERSEYCITY | NJ | |
| 201-528 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | RUTHERFORD | NJ | |
| 201-535 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BAYONNE | NJ | |
| 201-537 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | UNION CITY | NJ | |
| 201-540 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WYCKOFF | NJ | |
| 201-543 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HACKENSACK | NJ |
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.