Below is a list of Piedmont OH zip codes. For your research we have also included Piedmont Area Code, Time Zone, UTC and the local Belmont County FIPS Code. Each Piedmont Ohio zip code has a center Longitude / Latitude point (the Piedmont center is -81.198303222656 / 40.189601898193). For your convenience we have also indicated if that zip code in Piedmont observes Daylight Savings time.