Area Code Lookup
What Area Code Is Miles City?
Area code 406 · Montana
Miles City uses area code 406. It is located in Montana.
Area Code Serving Miles City
Frequently Asked Questions
What area code is Miles City?
Miles City uses area code 406. It is located in Montana.
How do I call Miles City from outside the US?
To call Miles City 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.