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 |
|---|---|---|---|---|---|
| 347-561 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN10 | NY | |
| 347-572 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN12 | NY | |
| 360-313 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | VANCOUVER | WA | |
| 360-386 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MARYSVILLE | WA | |
| 360-433 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | VANCOUVER | WA | |
| 360-526 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WHATCOMCTY | WA | |
| 360-536 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SILVERDALE | WA | |
| 360-635 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | VANCOUVER | WA | |
| 360-713 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | VANCOUVER | WA | |
| 360-813 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BREMERTON | WA | |
| 360-818 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CAMAS | WA | |
| 401-227 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SCITUATE | RI | |
| 401-228 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PROVIDENCE | RI | |
| 401-229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOONSOCKET | RI | |
| 401-234 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GREENWICH | RI | |
| 401-249 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COVENTRY | RI | |
| 401-262 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | W WARWICK | RI | |
| 401-321 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HOPEVALLEY | RI | |
| 401-326 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTERLY | RI | |
| 401-337 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WARREN | RI | |
| 401-420 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LTLCOMPTON | RI | |
| 401-424 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BRISTOL | RI | |
| 401-450 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PROVIDENCE | RI | |
| 401-472 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PORTSMOUTH | RI | |
| 401-473 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PROVIDENCE | RI | |
| 401-522 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NO KINGSTN | RI | |
| 401-642 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PAWTUCKET | RI | |
| 401-661 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NARRAGNSTT | RI | |
| 401-757 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CENTREDALE | RI | |
| 401-773 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WARWICK | RI | |
| 401-793 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PROVIDENCE | RI | |
| 401-854 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PROVIDENCE | RI | |
| 401-856 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NEWPORT | RI | |
| 404-260 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-267 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-439 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-475 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-478 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-479 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-487 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-591 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-601 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-682 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-720 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-736 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-836 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-946 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-965 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 404-974 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA | GA | |
| 405-254 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK | 7258 | BRITTON | OK |
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.