Lake Mills, Wisconsin Area Code

Lake Mills, WI Area Codes are


Lake Mills, WI is officially utilizing two area codes which are area codes 274 and 920.

In addition to Lake Mills, WI area code information read more details about area code 920, area code 274 and Wisconsin area codes.

Lake Mills, WI is located in Jefferson County and observes the Central Time Zone.
View our Times by Area Code tool.

Wisconsin Area Code Map