Fredericksburg, TX is a city located in Gillespie County, Texas and has a land area of 742.33 square miles (1,922.63 km2). The water area for the city is 2.62 square miles or 6.79 km2. There is one unique zip code in Fredericksburg, Texas and it is 78624. The area code(s) for Fredericksburg is 830.
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