Below is a list of Coryell County TX zip codes. For your research we have also included Coryell County Area Code, Time Zone, UTC and the local County FIPS Code. Each Coryell County Texas zip code has a center Longitude / Latitude point (the Coryell County center is -97.760200500488 / 31.41370010376). For your convenience we have also indicated if that zip code in Coryell County observes Daylight Savings time.