Below is a list of Grayson County KY zip codes. For your research we have also included Grayson County Area Code, Time Zone, UTC and the local County FIPS Code. Each Grayson County Kentucky zip code has a center Longitude / Latitude point (the Grayson County center is -86.326698303223 / 37.477600097656). For your convenience we have also indicated if that zip code in Grayson County observes Daylight Savings time.