Below is a list of Onondaga MI zip codes. For your research we have also included Onondaga Area Code, Time Zone, UTC and the local Ingham County FIPS Code. Each Onondaga Michigan zip code has a center Longitude / Latitude point (the Onondaga center is -84.560401916504 / 42.443099975586). For your convenience we have also indicated if that zip code in Onondaga observes Daylight Savings time.