Below is a list of Wadena IA zip codes. For your research we have also included Wadena Area Code, Time Zone, UTC and the local Fayette County FIPS Code. Each Wadena Iowa zip code has a center Longitude / Latitude point (the Wadena center is -91.656898498535 / 42.839298248291). For your convenience we have also indicated if that zip code in Wadena observes Daylight Savings time.