All assignees
613 prefixes in 612 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 612-976 | XXXXXXXXXX | MULT | — | — |
| 612-977 | TWINCITIES | 9631 | — | Yes |
| 612-978 | TWINCITIES | 6701 | — | — |
| 612-979 | TWINCITIES | 5816 | — | Yes |
| 612-986 | TWINCITIES | 6701 | — | — |
| 612-987 | TWINCITIES | 6701 | — | — |
| 612-988 | — | — | ||
| 612-989 | TWINCITIES | — | — | |
| 612-990 | TWINCITIES | 6701 | — | Yes |
| 612-991 | TWINCITIES | 6534 | — | — |
| 612-997 | TWINCITIES | 5816 | 2024-11-20 | Yes |
| 612-998 | TWINCITIES | 6701 | — | Yes |
| 612-999 | TWINCITIES | 6534 | 2012-09-10 | 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.