Below is a list of Ridgetop TN zip codes. For your research we have also included Ridgetop Area Code, Time Zone, UTC and the local Robertson County FIPS Code. Each Ridgetop Tennessee zip code has a center Longitude / Latitude point (the Ridgetop center is -86.7711 / 36.4048). For your convenience we have also indicated if that zip code in Ridgetop observes Daylight Savings time. For more information on Ridgetop Tennessee you will find helpful business links and searches.