Below is a list of Knierim IA zip codes. For your research we have also included Knierim Area Code, Time Zone, UTC and the local Calhoun County FIPS Code. Each Knierim Iowa zip code has a center Longitude / Latitude point (the Knierim center is -94.45580291748 / 42.456401824951). For your convenience we have also indicated if that zip code in Knierim observes Daylight Savings time.