Below is a list of Saint Helen MI zip codes. For your research we have also included Saint Helen Area Code, Time Zone, UTC and the local Roscommon County FIPS Code. Each Saint Helen Michigan zip code has a center Longitude / Latitude point (the Saint Helen center is -84.410202026367 / 44.363498687744). For your convenience we have also indicated if that zip code in Saint Helen observes Daylight Savings time.