Area Code 920
(534 and 715)
Area Code 920 History:
Area code 920 was officially put into service. Area code 920 was created from a split of area code 414.
Area Code 274 is proposed as an overlay of area code 920. The implementation date was 03/10/2012 but has been rescheduled to 2/22/2014.
Counties in Wisconsin within area code 920 include:
Brown County, Calumet County, Columbia County, Dodge County, Door County, Fond du Lac County, Green Lake County, Jefferson County, Kewaunee County, Manitowoc County, Marinette County, Marquette County, Oconto County, Outagamie County, Shawano County, Sheboygan County, Waupaca County, Waushara County, and Winnebago County.
Major cities or places in Wisconsin within area code 920 include:
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 area code 920 service area.