Below is a list of Mark Center OH zip codes. For your research we have also included Mark Center Area Code, Time Zone, UTC and the local Defiance County FIPS Code. Each Mark Center Ohio zip code has a center Longitude / Latitude point (the Mark Center center is -84.630798339844 / 41.289398193359). For your convenience we have also indicated if that zip code in Mark Center observes Daylight Savings time.