Machesney Park, IL is a city located in Winnebago County, Illinois and has a land area of 10.65 square miles (27.58 km2). The water area for the city is 0.21 square miles or 0.54 km2. There is one unique zip code in Machesney Park, Illinois and it is 61115. The area code(s) for Machesney Park is 815.
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