Below is a list of Hastings IA zip codes. For your research we have also included Hastings Area Code, Time Zone, UTC and the local Mills County FIPS Code. Each Hastings Iowa zip code has a center Longitude / Latitude point (the Hastings center is -95.499099731445 / 41.024898529053). For your convenience we have also indicated if that zip code in Hastings observes Daylight Savings time.