Fredericksburg, IA is a city located in Chickasaw County, Iowa and has a land area of 83.97 square miles (217.48 km2). The water area for the city is 0.12 square miles or 0.31 km2. There is one unique zip code in Fredericksburg, Iowa and it is 50630. The area code(s) for Fredericksburg is 319/563.
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