Below is a list of Gillett Grove IA zip codes. For your research we have also included Gillett Grove Area Code, Time Zone, UTC and the local Clay County FIPS Code. Each Gillett Grove Iowa zip code has a center Longitude / Latitude point (the Gillett Grove center is -95.03980255127 / 43.018501281738). For your convenience we have also indicated if that zip code in Gillett Grove observes Daylight Savings time.