Oak Forest IL ZIP Code
Oak Forest city is located in Illinois State, Cook County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oak Forest IL zip code by its streets and block numbers if we have some of the Oak Forest streets loaded in our website
Oak Forest Area Code is 708 and Time Zone is Central (GMT -06:00).
Oak Forest Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oak Forest City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oak Forest ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oak Forest, Illinois.
The Oak Forest Zip Code is 60452.
If you want to send a mail to Oak Forest City, you should use the 60452 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oak Forest 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 60452 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oak Forest 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.