New Windsor Zip Codes - Mercer County IL

New Windsor, IL Zip Code Map

New Windsor, IL is a city located in Mercer County, Illinois and has a land area of 40.43 square miles (104.71 km2). The water area for the city is 0.02 square miles or 0.05 km2. There is one unique zip code in New Windsor, Illinois and it is 61465. The area code(s) for New Windsor is 309.

Zip Codes for New Windsor, IL (1)
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61465 New Windsor Mercer

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