Gilson Zip Codes - Knox County IL

Gilson, IL Zip Code Map

Gilson, IL is a city located in Knox County, Illinois and has a land area of 61.18 square miles (158.46 km2). The water area for the city is 0.02 square miles or 0.05 km2. There is one unique zip code in Gilson, Illinois and it is 61436. The area code(s) for Gilson is 309.

Zip Codes for Gilson, IL (1)

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61436 Gilson Knox

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