Below is a list of Dunkerton IA zip codes. For your research we have also included Dunkerton Area Code, Time Zone, UTC and the local Black Hawk County FIPS Code. Each Dunkerton Iowa zip code has a center Longitude / Latitude point (the Dunkerton center is -92.160797119141 / 42.569900512695). For your convenience we have also indicated if that zip code in Dunkerton observes Daylight Savings time.