Below is a list of Oronoco MN zip codes. For your research we have also included Oronoco Area Code, Time Zone, UTC and the local Olmsted County FIPS Code. Each Oronoco Minnesota zip code has a center Longitude / Latitude point (the Oronoco center is -92.544403076172 / 44.164100646973). For your convenience we have also indicated if that zip code in Oronoco observes Daylight Savings time.