Clinton County Illinois ZIP Codes - Map and Full List

Clinton County Illinois is covered by a total of 17 ZIP Codes. There are 8 ZIP Codes in Clinton County that extend into adjacent counties (Bond County, Fayette County, Jefferson County, Madison County, Marion County, Saint Clair County, and Washington County). Of the ZIP codes within or partially within Clinton County there are 14 Standard ZIP Codes and 3 PO Box ZIP Codes.

Map List Related

Clinton County Illinois ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Clinton County and can be turned on and off. Each type of postal code can also be turned on and off.

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