Below is a list of Oostburg WI zip codes. For your research we have also included Oostburg Area Code, Time Zone, UTC and the local Sheboygan County FIPS Code. Each Oostburg Wisconsin zip code has a center Longitude / Latitude point (the Oostburg center is -87.799201965332 / 43.623100280762). For your convenience we have also indicated if that zip code in Oostburg observes Daylight Savings time.