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ZIP Code: Mount Vernon, IL has only 1 Standard ZIP assigned to it by the U.S. Postal Service. 62864 (Standard) County: The County, Parish, Borough, or Planning Region. ZIP Code 62864 is located in the city of Mount Vernon, Illinois and covers 142.98 square miles of land area. It is also located within Jefferson County. List of all Zip Codes for the state of Mount Vernon, Illinois. Includes all counties and cities in Mount Vernon, IL.
Mount Vernon Illinois is covered by 1 ZIP Code. Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be. Mount Vernon, IL is a city located in Jefferson County, Illinois and has a land area of 142.98 square miles (370.32 km2). The water area for the city is 0.64 square miles or 1.66 km2. There. Below is a list of Mount Vernon IL zip codes. For your research we have also included Mount Vernon Area Code, Time Zone, UTC and the local Jefferson County FIPS Code. Each Mount. This page shows a map with an overlay of Zip Codes for Mount Vernon, Jefferson County, Illinois. Users can easily view the boundaries of each Zip Code and the state as a whole.
