Below is a list of Okauchee WI zip codes. For your research we have also included Okauchee Area Code, Time Zone, UTC and the local Waukesha County FIPS Code. Each Okauchee Wisconsin zip code has a center Longitude / Latitude point (the Okauchee center is -88.437202453613 / 43.1083984375). For your convenience we have also indicated if that zip code in Okauchee observes Daylight Savings time.