Below is a list of Fontana WI zip codes. For your research we have also included Fontana Area Code, Time Zone, UTC and the local Walworth County FIPS Code. Each Fontana Wisconsin zip code has a center Longitude / Latitude point (the Fontana center is -88.574996948242 / 42.551399230957). For your convenience we have also indicated if that zip code in Fontana observes Daylight Savings time.