Below is a list of Genesee County MI zip codes. For your research we have also included Genesee County Area Code, Time Zone, UTC and the local County FIPS Code. Each Genesee County Michigan zip code has a center Longitude / Latitude point (the Genesee County center is -83.704200744629 / 43.006099700928). For your convenience we have also indicated if that zip code in Genesee County observes Daylight Savings time.