Below is a list of Oelrichs SD zip codes. For your research we have also included Oelrichs Area Code, Time Zone, UTC and the local Fall River County FIPS Code. Each Oelrichs South Dakota zip code has a center Longitude / Latitude point (the Oelrichs center is -103.23699951172 / 43.181999206543). For your convenience we have also indicated if that zip code in Oelrichs observes Daylight Savings time.