Below is a list of Lake Geneva WI zip codes. For your research we have also included Lake Geneva Area Code, Time Zone, UTC and the local Walworth County FIPS Code. Each Lake Geneva Wisconsin zip code has a center Longitude / Latitude point (the Lake Geneva center is -88.428901672363 / 42.588001251221). For your convenience we have also indicated if that zip code in Lake Geneva observes Daylight Savings time.