Below is a list of Unionville OH zip codes. For your research we have also included Unionville Area Code, Time Zone, UTC and the local Ashtabula County FIPS Code. Each Unionville Ohio zip code has a center Longitude / Latitude point (the Unionville center is -81.458602905273 / 39.451099395752). For your convenience we have also indicated if that zip code in Unionville observes Daylight Savings time.