Below is a list of Sundown TX zip codes. For your research we have also included Sundown Area Code, Time Zone, UTC and the local Hockley County FIPS Code. Each Sundown Texas zip code has a center Longitude / Latitude point (the Sundown center is -102.48899841309 / 33.456199645996). For your convenience we have also indicated if that zip code in Sundown observes Daylight Savings time.