Langdon, ND is a city located in Cavalier County, North Dakota and has a land area of 431.48 square miles (1,117.53 km2). The water area for the city is 3.62 square miles or 9.38 km2. There is one unique zip code in Langdon, North Dakota and it is 58249. The area code(s) for Langdon is 701.
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