Below is a list of Chillicothe OH zip codes. For your research we have also included Chillicothe Area Code, Time Zone, UTC and the local Ross County FIPS Code. Each Chillicothe Ohio zip code has a center Longitude / Latitude point (the Chillicothe center is -82.989501953125 / 39.337299346924). For your convenience we have also indicated if that zip code in Chillicothe observes Daylight Savings time.