Gwinner, ND is a city located in Sargent County, North Dakota and has a land area of 75.41 square miles (195.31 km2). The water area for the city is 0.30 square miles or 0.78 km2. There is one unique zip code in Gwinner, North Dakota and it is 58040. The area code(s) for Gwinner is 701.
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