Beaver Dam, WI is currently using one area code which is area code 920. Area Code 920 was created from a split of area code 414 and put into service on July 26, 1997.
In addition to Beaver Dam, WI area code 920 serves most of northeastern Wisconsin including the larger cities and communities of Appleton, De Pere, Fond Du Lac, Green Bay, Manitowoc, Neenah, Oshkosh, Sheboygan, and Watertown in addition to many smaller communities within the service area.
Beaver Dam, WI is located in Dodge County and observes the Central Time Zone.
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