Below is a list of Isom KY zip codes. For your research we have also included Isom Area Code, Time Zone, UTC and the local Letcher County FIPS Code. Each Isom Kentucky zip code has a center Longitude / Latitude point (the Isom center is -82.901000976562 / 37.188098907471). For your convenience we have also indicated if that zip code in Isom observes Daylight Savings time.