Stonewall, TX is a city located in Gillespie County, Texas and has a land area of 47.67 square miles (123.46 km2). The water area for the city is 0.49 square miles or 1.27 km2. There is one unique zip code in Stonewall, Texas and it is 78671. The area code(s) for Stonewall is 830.
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