Below is a list of Goldthwaite TX zip codes. For your research we have also included Goldthwaite Area Code, Time Zone, UTC and the local Mills County FIPS Code. Each Goldthwaite Texas zip code has a center Longitude / Latitude point (the Goldthwaite center is -98.571098327637 / 31.454900741577). For your convenience we have also indicated if that zip code in Goldthwaite observes Daylight Savings time.