Blairstown, IA is a city located in Benton County, Iowa and has a land area of 39.28 square miles (101.73 km2). The water area for the city is 0.07 square miles or 0.18 km2. There is one unique zip code in Blairstown, Iowa and it is 52209. The area code(s) for Blairstown is 319.
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