Below is a list of Mecosta County MI zip codes. For your research we have also included Mecosta County Area Code, Time Zone, UTC and the local County FIPS Code. Each Mecosta County Michigan zip code has a center Longitude / Latitude point (the Mecosta County center is -85.324897766113 / 43.671001434326). For your convenience we have also indicated if that zip code in Mecosta County observes Daylight Savings time.