Mound City, IL is a city located in Pulaski County, Illinois and has a land area of 4.18 square miles (10.83 km2). The water area for the city is 0.27 square miles or 0.70 km2. There is one unique zip code in Mound City, Illinois and it is 62963. The area code(s) for Mound City is 618.
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