Below is a list of Oak Creek WI zip codes. For your research we have also included Oak Creek Area Code, Time Zone, UTC and the local Milwaukee County FIPS Code. Each Oak Creek Wisconsin zip code has a center Longitude / Latitude point (the Oak Creek center is -87.901100158691 / 42.886501312256). For your convenience we have also indicated if that zip code in Oak Creek observes Daylight Savings time.