Huntsville, TX

ZIP code 77320 is located in Huntsville, Texas. This area is notably home to Sam Houston State University, known for its strong academic programs and football team. Another important landmark in the area is the Huntsville State Park, offering opportunities for camping, hiking, fishing, and swimming in the picturesque Lake Raven. The zip code also includes the Texas Department of Criminal Justice's Huntsville Unit, the oldest state prison in Texas.