Below is a list of Portage County OH zip codes. For your research we have also included Portage County Area Code, Time Zone, UTC and the local County FIPS Code. Each Portage County Ohio zip code has a center Longitude / Latitude point (the Portage County center is -81.212097167969 / 41.154201507568). For your convenience we have also indicated if that zip code in Portage County observes Daylight Savings time.