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 |
|---|---|---|---|---|---|
| 732-410 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FREEHOLD | NJ | |
| 732-428 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | RAHWAY | NJ | |
| 732-444 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HOLMDEL | NJ | |
| 732-447 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | NEWBRNSWCK | NJ | |
| 732-453 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RAHWAY | NJ | |
| 732-476 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | METUCHEN | NJ | |
| 732-490 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ENGLISHTN | NJ | |
| 732-529 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DUNELLEN | NJ | |
| 732-561 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JAMESBURG | NJ | |
| 732-579 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NEWBRNSWCK | NJ | |
| 732-582 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOODBRIDGE | NJ | |
| 732-590 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | METUCHEN | NJ | |
| 732-593 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | METUCHEN | NJ | |
| 732-647 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MONMTH JCT | NJ | |
| 732-667 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | BOUNDBROOK | NJ | |
| 732-694 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | WOODBRIDGE | NJ | |
| 732-705 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MATAWAN | NJ | |
| 732-753 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SOUTHAMBOY | NJ | |
| 732-798 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FRANKLINPK | NJ | |
| 732-824 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PERTHAMBOY | NJ | |
| 732-837 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HOLMDEL | NJ | |
| 732-847 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KEYPORT | NJ | |
| 732-857 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | PERTHAMBOY | NJ | |
| 732-862 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MATAWAN | NJ | |
| 732-865 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDDLETOWN | NJ | |
| 732-867 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NEWBRNSWCK | NJ | |
| 732-934 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PERTHAMBOY | NJ | |
| 732-943 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RAHWAY | NJ | |
| 732-945 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RED BANK | NJ | |
| 732-952 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SOUTHAMBOY | NJ | |
| 732-955 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SOUTHRIVER | NJ | |
| 732-960 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FRANKLINPK | NJ | |
| 732-984 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FREEHOLD | NJ | |
| 734-205 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ANN ARBOR | MI | |
| 734-264 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | MONROE | MI | |
| 734-265 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | MONROE | MI | |
| 734-286 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | WYANDOTTE | MI | |
| 734-288 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | WYANDOTTE | MI | |
| 734-293 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | LIVONIA | MI | |
| 734-329 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | WAYNE | MI | |
| 734-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BELLEVILLE | MI | |
| 734-352 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ANN ARBOR | MI | |
| 734-357 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | PLYMOUTH | MI | |
| 734-378 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | DEXTER | MI | |
| 734-413 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ROMULUS | MI | |
| 734-419 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | WAYNE | MI | |
| 734-423 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | WAYNE | MI | |
| 734-445 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | YPSILANTI | MI | |
| 734-447 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | WAYNE | MI | |
| 734-448 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | YPSILANTI | MI |
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.