Below is a list of Killduff IA zip codes. For your research we have also included Killduff Area Code, Time Zone, UTC and the local Jasper County FIPS Code. Each Killduff Iowa zip code has a center Longitude / Latitude point (the Killduff center is -92.902603149414 / 41.608898162842). For your convenience we have also indicated if that zip code in Killduff observes Daylight Savings time.