62831 ZIP Code Du Bois, Illinois – USA
The ZIP code 62831 is assigned to Du Bois city, located in the Washington county that is part of the state of Illinois, IL, United States.
62831 zip code map
Postcode location
Du Bois Illinois,IL
State of 62831
Check all the Illinois ZIP Code list.
US ZIP Codes
Please check all state’s postal code in the United States.