Below is a list of Gillett TX zip codes. For your research we have also included Gillett Area Code, Time Zone, UTC and the local Karnes County FIPS Code. Each Gillett Texas zip code has a center Longitude / Latitude point (the Gillett center is -97.78450012207 / 29.128299713135). For your convenience we have also indicated if that zip code in Gillett observes Daylight Savings time.