Area Code Lookup
What Area Code Is Butte?
Area code 406 · Montana
Butte uses area code 406. It is located in Montana.
Area Code Serving Butte
Frequently Asked Questions
What area code is Butte?
Butte uses area code 406. It is located in Montana.
How do I call Butte from outside the US?
To call Butte from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-406-XXX-XXXX). The +1 is the country code for all NANPA countries.