Below is a list of Three Rivers MI zip codes. For your research we have also included Three Rivers Area Code, Time Zone, UTC and the local Saint Joseph County FIPS Code. Each Three Rivers Michigan zip code has a center Longitude / Latitude point (the Three Rivers center is -85.632797241211 / 41.944000244141). For your convenience we have also indicated if that zip code in Three Rivers observes Daylight Savings time.