Lemont IL ZIP Code
Lemont 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 Lemont IL zip code by its streets and block numbers if we have some of the Lemont streets loaded in our website
Lemont Area Code is 630/708 and Time Zone is Central (GMT -06:00).
Lemont Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Lemont City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Lemont ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Lemont, Illinois.
The Lemont Zip Code is 60439.
If you want to send a mail to Lemont City, you should use the 60439 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Lemont 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 60439 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Lemont 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.