Below is a list of Trumbull County OH zip codes. For your research we have also included Trumbull County Area Code, Time Zone, UTC and the local County FIPS Code. Each Trumbull County Ohio zip code has a center Longitude / Latitude point (the Trumbull County center is -80.748199462891 / 41.280101776123). For your convenience we have also indicated if that zip code in Trumbull County observes Daylight Savings time.