Lewistown, Montana Area Code

Lewistown, MT Area Codes are

Lewistown, MT is officially utilizing one area code which is area code 406.

In addition to Lewistown, MT area code information read more about area code 406 details and Montana area codes.

Lewistown, MT is located in Fergus County and observes the Mountain Time Zone. View our Times by Area Code tool.

Montana Area Code Map