MCIMETRO ACCESS TRANSMISSION SERVICES LLC
18 prefixes in 612 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 612-216 | TWINCITIES | 7229 | — | Yes |
| 612-233 | TWINCITIES | 7229 | 2004-04-02 | Yes |
| 612-241 | TWINCITIES | 7229 | 2004-04-09 | Yes |
| 612-354 | TWINCITIES | 7229 | — | Yes |
| 612-355 | TWINCITIES | 7229 | — | Yes |
| 612-412 | TWINCITIES | 7229 | — | Yes |
| 612-435 | TWINCITIES | 7229 | 2001-01-26 | — |
| 612-516 | TWINCITIES | 7229 | — | Yes |
| 612-547 | TWINCITIES | 7229 | — | Yes |
| 612-562 | TWINCITIES | 7229 | — | Yes |
| 612-564 | TWINCITIES | 7229 | — | Yes |
| 612-567 | TWINCITIES | 7229 | — | Yes |
| 612-594 | TWINCITIES | 7229 | — | Yes |
| 612-604 | TWINCITIES | 7229 | — | — |
| 612-607 | TWINCITIES | 7229 | — | Yes |
| 612-615 | TWINCITIES | 7229 | — | Yes |
| 612-815 | TWINCITIES | 7229 | 2014-05-08 | Yes |
| 612-913 | TWINCITIES | 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.