Below is a list of Grulla TX zip codes. For your research we have also included Grulla Area Code, Time Zone, UTC and the local Starr County FIPS Code. Each Grulla Texas zip code has a center Longitude / Latitude point (the Grulla center is -106.2679977417 / 31.563800811768). For your convenience we have also indicated if that zip code in Grulla observes Daylight Savings time.