Below is a list of Allison IA zip codes. For your research we have also included Allison Area Code, Time Zone, UTC and the local Butler County FIPS Code. Each Allison Iowa zip code has a center Longitude / Latitude point (the Allison center is -92.795097351074 / 42.744701385498). For your convenience we have also indicated if that zip code in Allison observes Daylight Savings time.