Below is a list of Duff TN zip codes. For your research we have also included Duff Area Code, Time Zone, UTC and the local Campbell County FIPS Code. Each Duff Tennessee zip code has a center Longitude / Latitude point (the Duff center is -84.076103210449 / 36.450901031494). For your convenience we have also indicated if that zip code in Duff observes Daylight Savings time.