Blackduck, MN is a city located in Beltrami County, Minnesota and has a land area of 313.63 square miles (812.30 km2). The water area for the city is 7.78 square miles or 20.15 km2. There is one unique zip code in Blackduck, Minnesota and it is 56630. The area code(s) for Blackduck is 218.
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