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 |
|---|---|---|---|---|---|
| 908-504 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILLINGTON | NJ | |
| 908-516 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SUMMIT | NJ | |
| 908-533 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BELLE MEAD | NJ | |
| 908-543 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTFIELD | NJ | |
| 908-548 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PLAINFIELD | NJ | |
| 908-557 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UNIONVILLE | NJ | |
| 908-573 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FANWOOD | NJ | |
| 908-588 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTFIELD | NJ | |
| 908-634 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ROSELLE | NJ | |
| 908-662 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | ELIZABETH | NJ | |
| 908-669 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OLDWICK | NJ | |
| 908-691 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WHITEHOUSE | NJ | |
| 908-795 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | SUMMIT | NJ | |
| 908-933 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UNIONVILLE | NJ | |
| 908-934 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SUMMIT | NJ | |
| 908-935 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTFIELD | NJ | |
| 908-936 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ROSELLE | NJ | |
| 908-937 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LINDEN | NJ | |
| 908-941 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PLAINFIELD | NJ | |
| 908-947 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SOMERVILLE | NJ | |
| 908-956 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CRANFORD | NJ | |
| 908-977 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELIZABETH | NJ | |
| 908-986 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LINDEN | NJ | |
| 908-991 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILLINGTON | NJ | |
| 908-997 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PEAPACK | NJ | |
| 908-998 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ROSELLE | NJ | |
| 909-331 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ONTARIO | CA | |
| 909-451 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | CLAREMONT | CA | |
| 909-546 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIALTO | CA | |
| 909-610 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | DIAMONDBAR | CA | |
| 909-618 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | POMONA | CA | |
| 909-753 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLAREMONT | CA | |
| 910-506 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | LAURINBURG | NC | |
| 910-969 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | PINEBLUFF | NC | |
| 913-905 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS | 7593 | KANSASCITY | KS | |
| 913-981 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS | 7593 | KANSASCITY | KS | |
| 913-982 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS | 7593 | KANSASCITY | KS | |
| 914-225 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | WSCHSTZN09 | NY | |
| 914-233 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | WSCHSTZN01 | NY | |
| 914-259 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSCHSTZN08 | NY | |
| 914-302 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | YORKTN HTS | NY | |
| 914-303 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | ARMONK VLG | NY | |
| 914-312 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSCHSTZN09 | NY | |
| 914-313 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | WSCHSTZN08 | NY | |
| 914-330 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | WSCHSTZN04 | NY | |
| 914-360 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | WSCHSTZN02 | NY | |
| 914-380 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | WSCHSTZN03 | NY | |
| 914-400 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | WSCHSTZN04 | NY | |
| 914-407 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | WSCHSTZN07 | NY | |
| 914-412 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | WSCHSTZN06 | NY |
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.