Below is a list of Van Alstyne TX zip codes. For your research we have also included Van Alstyne Area Code, Time Zone, UTC and the local Grayson County FIPS Code. Each Van Alstyne Texas zip code has a center Longitude / Latitude point (the Van Alstyne center is -96.575302124023 / 33.422298431396). For your convenience we have also indicated if that zip code in Van Alstyne observes Daylight Savings time.