Below is a list of Antrim County MI zip codes. For your research we have also included Antrim County Area Code, Time Zone, UTC and the local County FIPS Code. Each Antrim County Michigan zip code has a center Longitude / Latitude point (the Antrim County center is -85.217597961426 / 44.985698699951). For your convenience we have also indicated if that zip code in Antrim County observes Daylight Savings time.