Below is a list of Cynthiana KY zip codes. For your research we have also included Cynthiana Area Code, Time Zone, UTC and the local Harrison County FIPS Code. Each Cynthiana Kentucky zip code has a center Longitude / Latitude point (the Cynthiana center is -84.294296264648 / 38.388900756836). For your convenience we have also indicated if that zip code in Cynthiana observes Daylight Savings time.