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 |
|---|---|---|---|---|---|
| 412-397 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN15 | PA | |
| 412-407 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON3 | PA | |
| 412-408 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON3 | PA | |
| 412-409 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN12 | PA | |
| 412-426 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN20 | PA | |
| 412-489 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN14 | PA | |
| 412-501 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON4 | PA | |
| 412-502 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON6 | PA | |
| 412-503 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON7 | PA | |
| 412-504 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN13 | PA | |
| 412-505 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN14 | PA | |
| 412-506 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN14 | PA | |
| 412-507 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN15 | PA | |
| 412-533 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLAIRTON | PA | |
| 412-534 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN16 | PA | |
| 412-536 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN17 | PA | |
| 412-540 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON4 | PA | |
| 412-545 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON4 | PA | |
| 412-557 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN20 | PA | |
| 412-595 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN12 | PA | |
| 412-599 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN19 | PA | |
| 412-632 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON3 | PA | |
| 412-685 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON5 | PA | |
| 412-701 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN21 | PA | |
| 412-702 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN22 | PA | |
| 412-744 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN21 | PA | |
| 412-808 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON7 | PA | |
| 412-810 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN22 | PA | |
| 412-872 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN10 | PA | |
| 412-903 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN18 | PA | |
| 412-929 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON7 | PA | |
| 412-954 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON8 | PA | |
| 412-998 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTGSBNZN13 | PA | |
| 413-223 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | GREENFIELD | MA | |
| 413-224 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | ELONGMEDOW | MA | |
| 413-241 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | SPRINGFLD | MA | |
| 413-242 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | PITTSFIELD | MA | |
| 413-271 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | SPRINGFLD | MA | |
| 413-272 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | SPRINGFLD | MA | |
| 413-279 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | WILBRAHAM | MA | |
| 413-324 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | PALMER | MA | |
| 413-362 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | AMHERST | MA | |
| 413-377 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | CHICOPEE | MA | |
| 413-887 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | HOLYOKE | MA | |
| 413-923 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 7103 | NORTHAMPTN | MA | |
| 414-203 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILWAUKZN1 | WI | |
| 414-209 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILWAUKZN3 | WI | |
| 414-214 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILWAUKZN4 | WI | |
| 414-216 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILWAUKZN5 | WI | |
| 414-516 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILWAUKZN1 | WI |
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.