Below is a list of Mackinac Island MI zip codes. For your research we have also included Mackinac Island Area Code, Time Zone, UTC and the local Mackinac County FIPS Code. Each Mackinac Island Michigan zip code has a center Longitude / Latitude point (the Mackinac Island center is -84.629600524902 / 45.864200592041). For your convenience we have also indicated if that zip code in Mackinac Island observes Daylight Savings time.