Fox Valley IL ZIP Code
Fox Valley city is located in Illinois State, Dupage County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Fox Valley IL zip code by its streets and block numbers if we have some of the Fox Valley streets loaded in our website
Fox Valley Area Code is 630/331 and Time Zone is Central (GMT -06:00).
Fox Valley Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Fox Valley City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Fox Valley ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Fox Valley, Illinois.
The Fox Valley Zip Code is 60599.
If you want to send a mail to Fox Valley City, you should use the 60599 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Fox Valley ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 60599 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Fox Valley city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Illinois.