Below is a list of San Augustine County TX zip codes. For your research we have also included San Augustine County Area Code, Time Zone, UTC and the local County FIPS Code. Each San Augustine County Texas zip code has a center Longitude / Latitude point (the San Augustine County center is -94.159896850586 / 31.440200805664). For your convenience we have also indicated if that zip code in San Augustine County observes Daylight Savings time.