Below is a list of Eldorado WI zip codes. For your research we have also included Eldorado Area Code, Time Zone, UTC and the local Fond Du Lac County FIPS Code. Each Eldorado Wisconsin zip code has a center Longitude / Latitude point (the Eldorado center is -88.622398376465 / 43.824798583984). For your convenience we have also indicated if that zip code in Eldorado observes Daylight Savings time.