MCIMETRO ACCESS TRANSMISSION SERVICES LLC
25 prefixes in 562 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 562-215 | NORWALK | 7229 | — | Yes |
| 562-245 | LA HABRA | 7229 | — | Yes |
| 562-249 | LAKEWOOD | 7229 | — | Yes |
| 562-271 | PICORIVERA | 7229 | — | Yes |
| 562-274 | NORWALK | 7229 | — | Yes |
| 562-275 | LAKEWOOD | 7229 | — | Yes |
| 562-276 | LONG BEACH | 7229 | — | Yes |
| 562-279 | LONG BEACH | 7229 | — | Yes |
| 562-298 | WHITTIER | 7229 | — | Yes |
| 562-309 | WHITTIER | 7229 | — | Yes |
| 562-319 | DOWNEY | 7229 | — | Yes |
| 562-370 | ALAMITOS | 7229 | — | Yes |
| 562-371 | LA HABRA | 7229 | — | Yes |
| 562-372 | DOWNEY | 7229 | — | Yes |
| 562-373 | PICORIVERA | 7229 | — | Yes |
| 562-473 | LONG BEACH | 7229 | 2012-10-11 | Yes |
| 562-536 | WHITTIER | 7229 | — | Yes |
| 562-546 | ALAMITOS | 7229 | — | Yes |
| 562-616 | CMTN CMTN | 7229 | 2001-04-13 | Yes |
| 562-689 | LA HABRA | 7229 | — | Yes |
| 562-733 | LONG BEACH | 7229 | — | Yes |
| 562-741 | NORWALK | 7229 | — | Yes |
| 562-748 | CMTN CMTN | 7229 | — | Yes |
| 562-894 | CMTN CMTN | 7229 | — | Yes |
| 562-967 | WHITTIER | 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.