Linn Grove, IA is a city located in Buena Vista County, Iowa and has a land area of 61.49 square miles (159.26 km2). The water area for the city is 0.05 square miles or 0.13 km2. There is one unique zip code in Linn Grove, Iowa and it is 51033. The area code(s) for Linn Grove is 712.
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