10-29-2012: Reporting Broken links on my old Staff Pages
Effective 7-26-1997 most of the previous 414 Area Code telephone numbers outside of the Milwaukee area changed to the new 920 Area Code. Both codes will work until 10-25-1997, when 414 will be valid only for Milwaukee area calls.
We wrote to Ameritech to see if they were going to put detailed 414 to 920 conversion information on their Web site. We received the following response on 8-08-1997 from Amy Beck, Manager - Corporate Communications: "...we are currently in the process of revamping the entire site, including updating prefix listings and adding area code maps. In the meantime, I am forwarding 414 and 920 prefix listings as of July 24. Also attached are listings of the communities in each of the area codes."
There are prefix numbers that already exist in both the 920 and 414 Area Codes. The complete list can be found on a separate prefix lookup page.
Below is a list of all Wisconsin cities that were in the 414 Area Code prior to 7-26-1997. We preceded the name of each city in Ameritech's two lists of communities with its new, or unchanged, Area Code and merged them into one list, sorted by city. Scroll down, or use your browser's find function to search for a particular city.
920 Abrams 920 Algoma 414 Allenton 920 Allouez 920 Appleton 920 Ashwaubenon 920 Baileys Harbor 414 Bayside 920 Beaver Dam 414 Belgium 414 Bergen 920 Berlin 414 Big Bend 920 Black Creek 414 Bohners Lake 920 Brandon 920 Brillion 414 Bristol 414 Brookfield 414 Brown Deer 920 Brussels 414 Burlington 920 Burnett 414 Butler 414 Caledonia 920 Cambria 920 Campbellsport 920 Cascade 920 Casco 920 Cedar Grove 414 Cedarburg 920 Chilton 920 Cleveland 920 Clyman 920 Coleman 920 Collins 920 Columbus 414 Cudahy 414 Darien 920 De Pere 414 Delafield 414 Delavan 920 Denmark 414 Dousman 414 Eagle 414 East Troy 920 Eden 920 Egg Harbor 920 Elkhart Lake 414 Elkhorn 414 Elm Grove 920 Fall River 920 Fond du Lac 920 Forestville 920 Fort Atkinson 920 Fox Lake 414 Fox Point 414 Franklin 920 Fremont 414 Genesee 414 Genoa City 414 Germantown 920 Gillett 414 Glendale 414 Grafton 920 Green Bay 920 Green Lake 920 Greenbush 414 Greendale 414 Greenfield 920 Greenville 414 Hales Corners 414 Hartford 414 Hartland 920 Hilbert 920 Horicon 920 Howard 920 Howards Grove 414 Hubertus 920 Hustisford 414 Jackson 920 Jacksonport 920 Jefferson 920 Johnsburg 920 Johnson Creek 920 Juneau 920 Kaukauna 414 Kenosha 414 Kewaskum 920 Kewaunee 920 Kiel 920 Kingston 920 Krakow 414 Lake Geneva 920 Lake Mills 920 Larsen 414 Lauderdale 920 Lebanon 920 Lena 920 Little Chute 920 Little Sturgeon 920 Lomira 920 Luxemburg 920 Manawa 920 Manitowoc 920 Mapleton 920 Markesan 920 Mayville 920 Menasha 414 Menomonee Falls 414 Mequon 920 Mill Center 414 Milwaukee 920 Mishicot 920 Mount Calvary 414 Mukwonago 414 Muskego 920 Neenah 920 Neosho 920 Neshkoro 414 New Berlin 920 New Franken 920 New Holstein 920 New London 414 Newburg 920 Newton 920 Newtonburg 920 Nichols 414 North Prairie 414 Oak Creek 920 Oakfield 414 Oconomowoc 920 Oconto 920 Oconto Falls 920 Ogdensburg 920 Omro 920 Oneida 920 Oostburg 920 Oshkosh 414 Palmyra 414 Pewaukee 920 Pickett 414 Pleasant Prairie 920 Plymouth 414 Port Washington 920 Poy Sippi 920 Princeton 920 Pulaski 414 Racine 920 Randolph 920 Random Lake 920 Readfield 920 Redgranite 920 Reedsville 920 Reeseville 920 Rio 920 Ripon 414 River Hills 920 Rosendale 414 Salem 414 Saukville 920 Seymour 414 Sharon 920 Sheboygan 920 Sheboygan Falls 920 Sherwood 920 Shiocton 414 Shorewood 414 Silver Lake 920 Sister Bay 414 Slinger 414 Somers 414 South Milwaukee 920 St. Cloud 414 St. Francis 920 St. Nazianz 920 Stockbridge 920 Sturgeon Bay 414 Sturtevant 414 Sullivan 920 Suring 414 Sussex 920 Theresa 414 Thiensville 920 Tisch Mills 414 Trevor 414 Twin Lakes 920 Two Rivers 414 Union Grove 920 Valders 920 Van Dyne 414 Walworth 920 Washington Island 414 Waterford 920 Waterloo 920 Watertown 414 Waubeka 414 Waukesha 920 Waupun 920 Wautoma 414 Wauwatosa 920 Wayside 414 West Allis 414 West Bend 414 West Milwaukee 920 Weyauwega 414 Wheatland 414 Whitefish Bay 920 Whitelaw 414 Whitewater 920 Wild Rose 414 Williams Bay 414 Wind Lake 920 Winneconne 920 Wrightstown
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