Below is a list of Bannister MI zip codes. For your research we have also included Bannister Area Code, Time Zone, UTC and the local Gratiot County FIPS Code. Each Bannister Michigan zip code has a center Longitude / Latitude point (the Bannister center is -84.420997619629 / 43.132301330566). For your convenience we have also indicated if that zip code in Bannister observes Daylight Savings time.