Monticello Zip Codes - Piatt County IL

Monticello, IL Zip Code Map

Monticello, IL is a city located in Piatt County, Illinois and has a land area of 107.92 square miles (279.51 km2). The water area for the city is 0.12 square miles or 0.31 km2. There is one unique zip code in Monticello, Illinois and it is 61856. The area code(s) for Monticello is 217.

Zip Codes for Monticello, IL (1)
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61856 Monticello Piatt

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