Below is a list of Jamestown MI zip codes. For your research we have also included Jamestown Area Code, Time Zone, UTC and the local Ottawa County FIPS Code. Each Jamestown Michigan zip code has a center Longitude / Latitude point (the Jamestown center is -85.84220123291 / 42.825698852539). For your convenience we have also indicated if that zip code in Jamestown observes Daylight Savings time.