Below is a list of Limestone County TX zip codes. For your research we have also included Limestone County Area Code, Time Zone, UTC and the local County FIPS Code. Each Limestone County Texas zip code has a center Longitude / Latitude point (the Limestone County center is -96.584197998047 / 31.575099945068). For your convenience we have also indicated if that zip code in Limestone County observes Daylight Savings time.