Below is a list of Colonial Heights TN zip codes. For your research we have also included Colonial Heights Area Code, Time Zone, UTC and the local Sullivan County FIPS Code. Each Colonial Heights Tennessee zip code has a center Longitude / Latitude point (the Colonial Heights center is -82.484596252441 / 36.46070098877). For your convenience we have also indicated if that zip code in Colonial Heights observes Daylight Savings time.