Simpson Zip Codes - Johnson County IL

Simpson, IL Zip Code Map

Simpson, IL is a city located in Johnson County, Illinois and has a land area of 74.41 square miles (192.72 km2). The water area for the city is 0.54 square miles or 1.40 km2. There is one unique zip code in Simpson, Illinois and it is 62985. The area code(s) for Simpson is 618.

Zip Codes for Simpson, IL (1)

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62985 Simpson Johnson

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