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 |
|---|---|---|---|---|---|
| 317-616 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | INDIANAPLS | IN | |
| 317-675 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | INDIANAPLS | IN | |
| 317-810 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | CARMEL | IN | |
| 317-829 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | INDIANAPLS | IN | |
| 317-886 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | GREENWOOD | IN | |
| 318-751 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA | 8764 | SHREVEPORT | LA | |
| 321-281 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ORLANDO | FL | |
| 323-214 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 06 | CA | |
| 323-215 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MONTEBELLO | CA | |
| 323-284 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 02 | CA | |
| 323-287 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 04 | CA | |
| 323-297 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 13 | CA | |
| 323-302 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 13 | CA | |
| 323-306 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 08 | CA | |
| 323-336 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | LSAN DA 09 | CA | |
| 323-347 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 12 | CA | |
| 323-351 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 06 | CA | |
| 323-383 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 06 | CA | |
| 323-386 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 11 | CA | |
| 323-446 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 05 | CA | |
| 323-544 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 08 | CA | |
| 323-552 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 09 | CA | |
| 323-606 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 14 | CA | |
| 323-609 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 08 | CA | |
| 323-622 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MONTEBELLO | CA | |
| 323-805 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 02 | CA | |
| 323-902 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 11 | CA | |
| 323-903 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 12 | CA | |
| 323-904 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 13 | CA | |
| 323-916 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 03 | CA | |
| 323-940 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 04 | CA | |
| 323-948 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 05 | CA | |
| 323-967 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 09 | CA | |
| 323-978 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 14 | CA | |
| 323-983 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LSAN DA 06 | CA | |
| 330-266 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | NO CANTON | OH | |
| 330-315 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | AKRON | OH | |
| 330-318 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | YOUNGSTOWN | OH | |
| 330-437 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CANTON | OH | |
| 330-598 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | MONTROSE | OH | |
| 334-617 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GREENVILLE | AL | |
| 334-767 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FLORALA | AL | |
| 334-986 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ECLECTIC | AL | |
| 347-252 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN15 | NY | |
| 347-293 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN04 | NY | |
| 347-332 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN05 | NY | |
| 347-368 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN09 | NY | |
| 347-426 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN12 | NY | |
| 347-436 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN06 | NY | |
| 347-487 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN13 | NY |
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.