Willow City, TX is a city located in Gillespie County, Texas and has a land area of 43.36 square miles (112.30 km2). The water area for the city is 0.07 square miles or 0.18 km2. There is one unique zip code in Willow City, Texas and it is 78675. The area code(s) for Willow City is 830.
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