Below is a list of Dillonvale OH zip codes. For your research we have also included Dillonvale Area Code, Time Zone, UTC and the local Jefferson County FIPS Code. Each Dillonvale Ohio zip code has a center Longitude / Latitude point (the Dillonvale center is -80.775398254395 / 40.198299407959). For your convenience we have also indicated if that zip code in Dillonvale observes Daylight Savings time.