Phone numbers in Cut Bank, Montana
Cut Bank has 4 phone prefixes in area code 406.
Biggest holders: AT&T Mobility, Charter / Spectrum, CenturyLink / Lumen. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 50%
- Local phone company 25%
- Internet / business phone carrier 25%
Every prefix in Cut Bank
Search the first six digits of a number in this list. If it's here, the number started in Cut Bank with the carrier shown. If it isn't, check the Montana page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 406-229 | AT&T Mobility | Mobile carrier | 2003 |
| 406-391 | AT&T Mobility | Mobile carrier | – |
| 406-845 | Charter / Spectrum | Internet / business phone carrier | 2008 |
| 406-873 | CenturyLink / Lumen | Local phone company | – |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.