Below is a list of Cassopolis MI zip codes. For your research we have also included Cassopolis Area Code, Time Zone, UTC and the local Cass County FIPS Code. Each Cassopolis Michigan zip code has a center Longitude / Latitude point (the Cassopolis center is -86.012496948242 / 41.911598205566). For your convenience we have also indicated if that zip code in Cassopolis observes Daylight Savings time.