Below is a list of Omro WI zip codes. For your research we have also included Omro Area Code, Time Zone, UTC and the local Winnebago County FIPS Code. Each Omro Wisconsin zip code has a center Longitude / Latitude point (the Omro center is -88.745903015137 / 44.039501190186). For your convenience we have also indicated if that zip code in Omro observes Daylight Savings time.