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 |
|---|---|---|---|---|---|
| 770-767 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 770-779 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 770-865 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 770-870 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-871 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 772-382 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | STUART | FL | |
| 772-594 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | SEBASTIAN | FL | |
| 772-673 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | PTST LUCIE | FL | |
| 772-905 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | PTST LUCIE | FL | |
| 772-907 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | VERO BEACH | FL | |
| 772-918 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | SEBASTIAN | FL | |
| 772-919 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | STUART | FL | |
| 772-932 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | HOBE SOUND | FL | |
| 772-934 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | JENSEN BCH | FL | |
| 772-940 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | FORTPIERCE | FL | |
| 773-243 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN03 | IL | |
| 773-250 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN02 | IL | |
| 773-272 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN03 | IL | |
| 773-289 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN04 | IL | |
| 773-295 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN05 | IL | |
| 773-299 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN06 | IL | |
| 773-303 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN02 | IL | |
| 773-304 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN03 | IL | |
| 773-305 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN04 | IL | |
| 773-313 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN02 | IL | |
| 773-314 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN03 | IL | |
| 773-337 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN11 | IL | |
| 773-344 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN10 | IL | |
| 773-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN05 | IL | |
| 773-346 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN06 | IL | |
| 773-347 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN07 | IL | |
| 773-349 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN08 | IL | |
| 773-358 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN07 | IL | |
| 773-359 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN09 | IL | |
| 773-365 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN04 | IL | |
| 773-423 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN02 | IL | |
| 773-435 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN04 | IL | |
| 773-442 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICGOZN02 | IL | |
| 773-453 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN11 | IL | |
| 773-455 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICGOZN11 | IL | |
| 773-458 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICGOZN03 | IL | |
| 773-466 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN05 | IL | |
| 773-470 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN08 | IL | |
| 773-584 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICGOZN06 | IL | |
| 773-598 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICGOZN04 | IL | |
| 773-632 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICGOZN03 | IL | |
| 773-634 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CHICGOZN04 | IL | |
| 773-681 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN02 | IL | |
| 773-751 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN02 | IL | |
| 773-756 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN03 | IL |
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.