← Area code 406
406-642 phone numbers
Numbers 406-642-0000 to 406-642-9999 are assigned to Qwest Corporation in Victor, MT. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 406-642-1xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 406-642
- 1 (406) 642-0140 3complaints
- 2 (406) 642-2104 2complaints
- 3 (406) 642-0025 1complaints
- 4 (406) 642-0096 1complaints
- 5 (406) 642-0193 1complaints
- 6 (406) 642-0344 1complaints
- 7 (406) 642-0756 1complaints
- 8 (406) 642-0862 1complaints
- 9 (406) 642-0978 1complaints
- 10 (406) 642-2310 1complaints
- 11 (406) 642-3793 1complaints
- 12 (406) 642-4124 1complaints
- 13 (406) 642-4129 1complaints
- 14 (406) 642-5161 1complaints
- 15 (406) 642-5357 1complaints
- 16 (406) 642-5895 1complaints
- 17 (406) 642-7202 1complaints
- 18 (406) 642-7241 1complaints
- 19 (406) 642-7327 1complaints
- 20 (406) 642-7792 1complaints
- 21 (406) 642-7863 1complaints
- 22 (406) 642-7953 1complaints
- 23 (406) 642-8394 1complaints
- 24 (406) 642-8522 1complaints
- 25 (406) 642-8628 1complaints
- 26 (406) 642-8760 1complaints
- 27 (406) 642-8870 1complaints