Below is a list of Oldham County KY zip codes. For your research we have also included Oldham County Area Code, Time Zone, UTC and the local County FIPS Code. Each Oldham County Kentucky zip code has a center Longitude / Latitude point (the Oldham County center is -85.45369720459 / 38.394100189209). For your convenience we have also indicated if that zip code in Oldham County observes Daylight Savings time.