Van Alstyne, TX is a city located in Grayson County, Texas and has a land area of 67.72 square miles (175.39 km2). The water area for the city is 0.30 square miles or 0.78 km2. There is one unique zip code in Van Alstyne, Texas and it is 75495. The area code(s) for Van Alstyne is 903.
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