Below is a list of Ashtabula OH zip codes. For your research we have also included Ashtabula Area Code, Time Zone, UTC and the local Ashtabula County FIPS Code. Each Ashtabula Ohio zip code has a center Longitude / Latitude point (the Ashtabula center is -80.796699523926 / 41.88090133667). For your convenience we have also indicated if that zip code in Ashtabula observes Daylight Savings time.