Marmaduke, AR is a city located in Greene County, Arkansas and has a land area of 66.81 square miles (173.04 km2). The water area for the city is 0.04 square miles or 0.10 km2. There is one unique zip code in Marmaduke, Arkansas and it is 72443. The area code(s) for Marmaduke is 870.
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