MCIMETRO ACCESS TRANSMISSION SERVICES LLC
29 prefixes in 323 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 323-214 | LSAN DA 06 | 7229 | — | Yes |
| 323-215 | MONTEBELLO | 7229 | — | Yes |
| 323-284 | LSAN DA 02 | 7229 | — | Yes |
| 323-287 | LSAN DA 04 | 7229 | — | Yes |
| 323-297 | LSAN DA 13 | 7229 | — | Yes |
| 323-302 | LSAN DA 13 | 7229 | — | Yes |
| 323-306 | LSAN DA 08 | 7229 | — | Yes |
| 323-347 | LSAN DA 12 | 7229 | — | Yes |
| 323-351 | LSAN DA 06 | 7229 | — | Yes |
| 323-383 | LSAN DA 06 | 7229 | — | Yes |
| 323-386 | LSAN DA 11 | 7229 | — | Yes |
| 323-389 | LSAN DA 12 | 7229 | 2001-02-22 | Yes |
| 323-398 | LSAN DA 03 | 7229 | 2010-11-19 | Yes |
| 323-446 | LSAN DA 05 | 7229 | — | Yes |
| 323-544 | LSAN DA 08 | 7229 | — | Yes |
| 323-552 | LSAN DA 09 | 7229 | — | Yes |
| 323-606 | LSAN DA 14 | 7229 | — | Yes |
| 323-609 | LSAN DA 08 | 7229 | — | Yes |
| 323-622 | MONTEBELLO | 7229 | — | Yes |
| 323-805 | LSAN DA 02 | 7229 | — | Yes |
| 323-902 | LSAN DA 11 | 7229 | — | Yes |
| 323-903 | LSAN DA 12 | 7229 | — | Yes |
| 323-904 | LSAN DA 13 | 7229 | — | Yes |
| 323-916 | LSAN DA 03 | 7229 | — | Yes |
| 323-940 | LSAN DA 04 | 7229 | — | Yes |
| 323-948 | LSAN DA 05 | 7229 | — | Yes |
| 323-967 | LSAN DA 09 | 7229 | — | Yes |
| 323-978 | LSAN DA 14 | 7229 | — | Yes |
| 323-983 | LSAN DA 06 | 7229 | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.