Mc Nabb, IL is a city located in Putnam County, Illinois and has a land area of 21.47 square miles (55.61 km2). The water area for the city is 0.03 square miles or 0.08 km2. There is one unique zip code in Mc Nabb, Illinois and it is 61335. The area code(s) for Mc Nabb is 815.
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