Bunker Hill, IL is a city located in Macoupin County, Illinois and has a land area of 59.96 square miles (155.30 km2). The water area for the city is 0.28 square miles or 0.73 km2. There is one unique zip code in Bunker Hill, Illinois and it is 62014. The area code(s) for Bunker Hill is 618.
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