Below is a list of Grays Knob KY zip codes. For your research we have also included Grays Knob Area Code, Time Zone, UTC and the local Harlan County FIPS Code. Each Grays Knob Kentucky zip code has a center Longitude / Latitude point (the Grays Knob center is -83.26439666748 / 36.794399261475). For your convenience we have also indicated if that zip code in Grays Knob observes Daylight Savings time.