Below is a list of Twelve Mile IN zip codes. For your research we have also included Twelve Mile Area Code, Time Zone, UTC and the local Cass County FIPS Code. Each Twelve Mile Indiana zip code has a center Longitude / Latitude point (the Twelve Mile center is -86.224899291992 / 40.866298675537). For your convenience we have also indicated if that zip code in Twelve Mile observes Daylight Savings time.