Below is a list of Potsdam OH zip codes. For your research we have also included Potsdam Area Code, Time Zone, UTC and the local Miami County FIPS Code. Each Potsdam Ohio zip code has a center Longitude / Latitude point (the Potsdam center is -84.417297363281 / 39.963401794434). For your convenience we have also indicated if that zip code in Potsdam observes Daylight Savings time.