Below is a list of Delavan WI zip codes. For your research we have also included Delavan Area Code, Time Zone, UTC and the local Walworth County FIPS Code. Each Delavan Wisconsin zip code has a center Longitude / Latitude point (the Delavan center is -88.633399963379 / 42.627498626709). For your convenience we have also indicated if that zip code in Delavan observes Daylight Savings time.