Below is a list of Ortonville MI zip codes. For your research we have also included Ortonville Area Code, Time Zone, UTC and the local Oakland County FIPS Code. Each Ortonville Michigan zip code has a center Longitude / Latitude point (the Ortonville center is -83.450302124023 / 42.849300384521). For your convenience we have also indicated if that zip code in Ortonville observes Daylight Savings time.