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 |
|---|---|---|---|---|---|
| 703-894 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN08 | VA | |
| 703-951 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BRADDOCK | VA | |
| 703-952 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ENGLESIDE | VA | |
| 703-962 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN17 | VA | |
| 703-964 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HERNDON | VA | |
| 703-995 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSNGTNZN19 | VA | |
| 704-264 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | CHARLOTTE | NC | |
| 704-612 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | CHARLOTTE | NC | |
| 704-691 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | GASTONIA | NC | |
| 704-912 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | HUNTERSVL | NC | |
| 704-969 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | CHARLOTTE | NC | |
| 706-993 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | AUGUSTA | GA | |
| 707-225 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NAPA | CA | |
| 707-227 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NAPA | CA | |
| 707-228 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANTA ROSA | CA | |
| 707-244 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ST HELENA | CA | |
| 707-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ST HELENA | CA | |
| 707-430 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | FRFLD-SUIS | CA | |
| 707-536 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SANTA ROSA | CA | |
| 707-559 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTLM MAIN | CA | |
| 707-561 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VALLEJO | CA | |
| 707-563 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | VALLEJO | CA | |
| 707-671 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UKIAH | CA | |
| 707-672 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | EUREKA | CA | |
| 707-673 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FRFLD-SUIS | CA | |
| 707-691 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GUERNEVL | CA | |
| 707-692 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LOWER LAKE | CA | |
| 707-734 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FORT BRAGG | CA | |
| 707-742 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BENICIA | CA | |
| 707-759 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FRFLD-SUIS | CA | |
| 707-787 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTLM MAIN | CA | |
| 707-796 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTLM SWIFT | CA | |
| 707-879 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TOMALES | CA | |
| 707-934 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SONOMA | CA | |
| 707-947 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | YOUNTVILLE | CA | |
| 708-215 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LA GRANGE | IL | |
| 708-221 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIVERSIDE | IL | |
| 708-253 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | TINLEYPARK | IL | |
| 708-277 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | SUMMIT | IL | |
| 708-290 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BROOKFIELD | IL | |
| 708-297 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BLUEISLAND | IL | |
| 708-303 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BERWYN | IL | |
| 708-316 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MAYWOOD | IL | |
| 708-317 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BERWYN | IL | |
| 708-318 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BELLWOOD | IL | |
| 708-330 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WILLOW SPG | IL | |
| 708-350 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WILLOW SPG | IL | |
| 708-391 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CICERO | IL | |
| 708-395 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RIVERGROVE | IL | |
| 708-401 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | BELLWOOD | IL |
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.