Below is a list of Starr County TX zip codes. For your research we have also included Starr County Area Code, Time Zone, UTC and the local County FIPS Code. Each Starr County Texas zip code has a center Longitude / Latitude point (the Starr County center is -98.681900024414 / 26.533599853516). For your convenience we have also indicated if that zip code in Starr County observes Daylight Savings time.