Below is a list of Whitehouse TX zip codes. For your research we have also included Whitehouse Area Code, Time Zone, UTC and the local Smith County FIPS Code. Each Whitehouse Texas zip code has a center Longitude / Latitude point (the Whitehouse center is -95.226196289062 / 32.226699829102). For your convenience we have also indicated if that zip code in Whitehouse observes Daylight Savings time.