Below is a list of Arenac County MI zip codes. For your research we have also included Arenac County Area Code, Time Zone, UTC and the local County FIPS Code. Each Arenac County Michigan zip code has a center Longitude / Latitude point (the Arenac County center is -83.879600524902 / 44.076499938965). For your convenience we have also indicated if that zip code in Arenac County observes Daylight Savings time.