Jefferson County Illinois ZIP Codes - Map and Full List

Jefferson County Illinois is covered by a total of 15 ZIP Codes. There are 7 ZIP Codes in Jefferson County that extend into adjacent counties (Clinton County, Franklin County, Hamilton County, Marion County, Perry County, Washington County, and Wayne County). Of the ZIP codes within or partially within Jefferson County there are 14 Standard ZIP Codes and 1 PO Box ZIP Codes.

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Jefferson 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 Jefferson County and can be turned on and off. Each type of postal code can also be turned on and off.

List of ZIP Codes in Jefferson County

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