Below is a list of Granville IA zip codes. For your research we have also included Granville Area Code, Time Zone, UTC and the local Sioux County FIPS Code. Each Granville Iowa zip code has a center Longitude / Latitude point (the Granville center is -95.875503540039 / 42.981899261475). For your convenience we have also indicated if that zip code in Granville observes Daylight Savings time.