Below is a list of Zavala County TX zip codes. For your research we have also included Zavala County Area Code, Time Zone, UTC and the local County FIPS Code. Each Zavala County Texas zip code has a center Longitude / Latitude point (the Zavala County center is -99.765403747559 / 28.857200622559). For your convenience we have also indicated if that zip code in Zavala County observes Daylight Savings time.