Below is a list of Zanesville OH zip codes. For your research we have also included Zanesville Area Code, Time Zone, UTC and the local Muskingum County FIPS Code. Each Zanesville Ohio zip code has a center Longitude / Latitude point (the Zanesville center is -82.010597229004 / 39.953201293945). For your convenience we have also indicated if that zip code in Zanesville observes Daylight Savings time.