Below is a list of Cass City MI zip codes. For your research we have also included Cass City Area Code, Time Zone, UTC and the local Tuscola County FIPS Code. Each Cass City Michigan zip code has a center Longitude / Latitude point (the Cass City center is -83.174499511719 / 43.600898742676). For your convenience we have also indicated if that zip code in Cass City observes Daylight Savings time.