Below is a list of Whitesboro TX zip codes. For your research we have also included Whitesboro Area Code, Time Zone, UTC and the local Grayson County FIPS Code. Each Whitesboro Texas zip code has a center Longitude / Latitude point (the Whitesboro center is -96.90650177002 / 33.66370010376). For your convenience we have also indicated if that zip code in Whitesboro observes Daylight Savings time.