Below is a list of Belmont County OH zip codes. For your research we have also included Belmont County Area Code, Time Zone, UTC and the local County FIPS Code. Each Belmont County Ohio zip code has a center Longitude / Latitude point (the Belmont County center is -80.921997070312 / 40.047698974609). For your convenience we have also indicated if that zip code in Belmont County observes Daylight Savings time.