Granite City IL ZIP Code
Granite City city is located in Illinois State, Madison County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Granite City IL zip code by its streets and block numbers if we have some of the Granite City streets loaded in our website
Granite City Area Code is 618 and Time Zone is Central (GMT -06:00).
Granite City Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Granite City City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Granite City ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Granite City, Illinois.
The Granite City Zip Code is 62040.
If you want to send a mail to Granite City City, you should use the 62040 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Granite City 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 62040 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Granite City 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.