Below is a list of Butte des Morts WI zip codes. For your research we have also included Butte des Morts Area Code, Time Zone, UTC and the local Winnebago County FIPS Code. Each Butte des Morts Wisconsin zip code has a center Longitude / Latitude point (the Butte des Morts center is -88.649101257324 / 44.100898742676). For your convenience we have also indicated if that zip code in Butte des Morts observes Daylight Savings time.