Below is a list of Lake Delton WI zip codes. For your research we have also included Lake Delton Area Code, Time Zone, UTC and the local Sauk County FIPS Code. Each Lake Delton Wisconsin zip code has a center Longitude / Latitude point (the Lake Delton center is -89.785202026367 / 43.587699890137). For your convenience we have also indicated if that zip code in Lake Delton observes Daylight Savings time.