Below is a list of Geauga County OH zip codes. For your research we have also included Geauga County Area Code, Time Zone, UTC and the local County FIPS Code. Each Geauga County Ohio zip code has a center Longitude / Latitude point (the Geauga County center is -81.17749786377 / 41.502201080322). For your convenience we have also indicated if that zip code in Geauga County observes Daylight Savings time.