Area Code 920 is located in WI.
Cities located in 920 area code are Appleton, Oshkosh, Fond Du Lac, Watertown, Sheboygan, Beaver Dam, Mayville, Neenah, Green Bay, Manitowoc, Johnson Creek, Watertown, Lake Mills, Seymour, Green Lake, Waupun, Wautoma, De Pere, Ogdensburg, New London, Kewaunee, Sturgeon Bay, Wausau, Markesan, Ashwaubenon, Lomira, Theresa, Jefferson, Cambria, Kiel, Pickett, Berlin, Princeton, Neshkoro, Little Chute, Winneconne, Wrightstown, Oshkosh, Van Dyne, Oostburg, Randolph, Brandon, Chilton, Lowell, Hustisford, Columbus, Cambria, Okauchee, Baileys Harbor, Algoma, Denmark, Neosho, Kaukauna, Juneau, Dalton, Fort Atkinson, New Berlin, Weyauwega, Milwaukee, Reedsville, Fremont, Random Lake, Plymouth, Sheboygan Falls, Eden, Waterloo, Fall River, Horicon, Plymouth, Oconto, Oconto Falls, Cascade, Brillion, Shiocton, Glenbeulah, Campbellsport, Washington Island, Luxemburg, Burnett, Howards Grove, Two Rivers, Redgranite, Oakfield, Suring, Coleman, Larsen, Manawa, Gillett, Lena, Abrams, Rio, Wild Rose, Saint Cloud, Elm Grove, Cleveland, Mishicot, Omro, Cedar Grove, Hortonville, Newton, Whitelaw, Stevens Point, Ripon, Mount Calvary, Greenville, Valders, Philadelphia, Malone, Pulaski, Egg Harbor, Brussels, New Holstein, Casco, Hilbert, Sister Bay, Forestville, Wayside, Oneida, New Franken, Rosendale, Elkhart Lake, Krakow, Reeseville, Fox Lake, Black Creek, Poy Sippi, Sherwood.
Counties located in this area code are Outagamie County, Winnebago County, Fond Du Lac County, Jefferson County, Sheboygan County, Dodge County, Brown County, Manitowoc County, Green Lake County, Waushara County, Waupaca County, Kewaunee County, Door County, Marathon County, Columbia County, Marquette County, Calumet County, Waukesha County, Milwaukee County, Oconto County, Marinette County, Portage County, Philadelphia County, Shawano County