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 |
|---|---|---|---|---|---|
| 717-918 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MECHANCSBG | PA | |
| 717-967 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MT GRETNA | PA | |
| 717-974 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HUMMELSTN | PA | |
| 717-983 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | STRASBURG | PA | |
| 718-210 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN06 | NY | |
| 718-247 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN08 | NY | |
| 718-248 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN08 | NY | |
| 718-269 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN08 | NY | |
| 718-290 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN06 | NY | |
| 718-301 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN10 | NY | |
| 718-304 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN05 | NY | |
| 718-313 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN14 | NY | |
| 718-316 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN08 | NY | |
| 718-371 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN08 | NY | |
| 718-489 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN08 | NY | |
| 718-532 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN06 | NY | |
| 718-534 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN06 | NY | |
| 718-535 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN07 | NY | |
| 718-536 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN04 | NY | |
| 718-559 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN09 | NY | |
| 718-663 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN08 | NY | |
| 718-673 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN13 | NY | |
| 718-683 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN08 | NY | |
| 718-701 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN15 | NY | |
| 718-709 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN10 | NY | |
| 718-744 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN06 | NY | |
| 718-749 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN12 | NY | |
| 718-764 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN03 | NY | |
| 718-766 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN11 | NY | |
| 718-785 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN10 | NY | |
| 718-795 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN04 | NY | |
| 718-799 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN09 | NY | |
| 718-808 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN14 | NY | |
| 718-865 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN05 | NY | |
| 718-866 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN03 | NY | |
| 718-872 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN07 | NY | |
| 718-887 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN15 | NY | |
| 718-889 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN14 | NY | |
| 718-924 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN03 | NY | |
| 718-954 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN07 | NY | |
| 718-971 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN11 | NY | |
| 720-206 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO | |
| 720-207 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO | |
| 720-208 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO | |
| 720-210 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO | |
| 720-212 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO | |
| 720-221 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO | |
| 720-222 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO | |
| 720-223 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO | |
| 720-224 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DENVER | CO |
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.