Below is a list of Roscommon MI zip codes. For your research we have also included Roscommon Area Code, Time Zone, UTC and the local Roscommon County FIPS Code. Each Roscommon Michigan zip code has a center Longitude / Latitude point (the Roscommon center is -84.596801757812 / 44.490100860596). For your convenience we have also indicated if that zip code in Roscommon observes Daylight Savings time.