Below is a list of Mercer County KY zip codes. For your research we have also included Mercer County Area Code, Time Zone, UTC and the local County FIPS Code. Each Mercer County Kentucky zip code has a center Longitude / Latitude point (the Mercer County center is -84.834899902344 / 37.818698883057). For your convenience we have also indicated if that zip code in Mercer County observes Daylight Savings time.