Below is a list of Fredonia WI zip codes. For your research we have also included Fredonia Area Code, Time Zone, UTC and the local Ozaukee County FIPS Code. Each Fredonia Wisconsin zip code has a center Longitude / Latitude point (the Fredonia center is -87.953598022461 / 43.470001220703). For your convenience we have also indicated if that zip code in Fredonia observes Daylight Savings time.