Huntsville, TX

ZIP code 77320 covers the area of Huntsville, Texas and its surroundings. This ZIP code is home to the Texas Department of Criminal Justice, which houses the Huntsville Unit, also known as "The Walls." The city is also known for Sam Houston State University, a prominent educational institution. Additionally, Huntsville is rich in history, with the Sam Houston Memorial Museum and the Texas Prison Museum as key landmarks in the area.