Geraldine, MT is a city located in Chouteau County, Montana and has a land area of 757.31 square miles (1,961.43 km2). The water area for the city is 5.01 square miles or 12.98 km2. There is one unique zip code in Geraldine, Montana and it is 59446. The area code(s) for Geraldine is 406.
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