Below is a list of Tom Green County TX zip codes. For your research we have also included Tom Green County Area Code, Time Zone, UTC and the local County FIPS Code. Each Tom Green County Texas zip code has a center Longitude / Latitude point (the Tom Green County center is -100.46800231934 / 31.416900634766). For your convenience we have also indicated if that zip code in Tom Green County observes Daylight Savings time.