Below is a list of Limestone TN zip codes. For your research we have also included Limestone Area Code, Time Zone, UTC and the local Washington County FIPS Code. Each Limestone Tennessee zip code has a center Longitude / Latitude point (the Limestone center is -82.629898071289 / 36.236400604248). For your convenience we have also indicated if that zip code in Limestone observes Daylight Savings time.