Garryowen, MT is a city located in Big Horn County, Montana and has a land area of 104.69 square miles (271.15 km2). The water area for the city is 0.01 square miles or 0.03 km2. There is one unique zip code in Garryowen, Montana and it is 59031. The area code(s) for Garryowen is 406.
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