Fort Benton, MT is a city located in Chouteau County, Montana and has a land area of 790.29 square miles (2,046.84 km2). The water area for the city is 9.78 square miles or 25.33 km2. There is one unique zip code in Fort Benton, Montana and it is 59442. The area code(s) for Fort Benton is 406.
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