Below is a list of Caspian MI zip codes. For your research we have also included Caspian Area Code, Time Zone, UTC and the local Iron County FIPS Code. Each Caspian Michigan zip code has a center Longitude / Latitude point (the Caspian center is -88.627197265625 / 46.065498352051). For your convenience we have also indicated if that zip code in Caspian observes Daylight Savings time.