Below is a list of Loudon County TN zip codes. For your research we have also included Loudon County Area Code, Time Zone, UTC and the local County FIPS Code. Each Loudon County Tennessee zip code has a center Longitude / Latitude point (the Loudon County center is -84.272796630859 / 35.725200653076). For your convenience we have also indicated if that zip code in Loudon County observes Daylight Savings time.