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 |
|---|---|---|---|---|---|
| 714-923 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ORANGE | CA | |
| 714-933 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | WESTMINSTR | CA | |
| 714-983 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | PLACENTIA | CA | |
| 714-988 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | BREA | CA | |
| 760-400 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD OCSD | CA | |
| 760-450 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD OCSD | CA | |
| 760-472 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD PDTN | CA | |
| 760-496 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD CRLS | CA | |
| 760-520 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ESCONDIDO | CA | |
| 760-536 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VISTA | CA | |
| 760-546 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ESCONDIDO | CA | |
| 760-557 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ENCINITAS | CA | |
| 760-560 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VISTA | CA | |
| 760-566 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SAN MARCOS | CA | |
| 760-666 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VISTA | CA | |
| 760-682 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SAN MARCOS | CA | |
| 760-704 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ENCINITAS | CA | |
| 760-705 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ESCONDIDO | CA | |
| 760-710 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD CRLS | CA | |
| 760-783 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ENCINITAS | CA | |
| 760-827 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD CRLS | CA | |
| 760-828 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD OCSD | CA | |
| 760-829 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD PDTN | CA | |
| 760-830 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | TWNTYNPLMS | CA | |
| 760-870 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | RAMONA | CA | |
| 760-916 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SAN MARCOS | CA | |
| 760-936 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VISTA | CA | |
| 818-491 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SNFN GRHL | CA | |
| 818-492 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SNFN PACM | CA | |
| 818-493 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SNFN SNFN | CA | |
| 818-531 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | BRBN BRBN | CA | |
| 818-533 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | BRBN SNVY | CA | |
| 818-539 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | GLENDALE | CA | |
| 818-638 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | GLENDALE | CA | |
| 818-658 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | LACRSCENTA | CA | |
| 818-661 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | AGOURA | CA | |
| 818-736 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | BRBN BRBN | CA | |
| 818-737 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | CANOGAPARK | CA | |
| 818-738 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | NO HOLLYWD | CA | |
| 818-739 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | NORTHRIDGE | CA | |
| 818-741 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SNFN SNFN | CA | |
| 818-742 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VAN NUYS | CA | |
| 818-745 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | GLENDALE | CA | |
| 818-921 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | RESEDA | CA | |
| 818-922 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VAN NUYS | CA | |
| 818-924 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SNFN SPLV | CA | |
| 818-939 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VAN NUYS | CA | |
| 818-977 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | BRBN BRBN | CA | |
| 831-316 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SANTA CRUZ | CA | |
| 831-337 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | BOULDERCRK | CA |
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.