Below is a list of Olivet MI zip codes. For your research we have also included Olivet Area Code, Time Zone, UTC and the local Eaton County FIPS Code. Each Olivet Michigan zip code has a center Longitude / Latitude point (the Olivet center is -84.924201965332 / 42.443801879883). For your convenience we have also indicated if that zip code in Olivet observes Daylight Savings time.