Great Lakes IL ZIP Code
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Great Lakes city is located in Illinois State, Lake County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Great Lakes IL zip code by its streets and block numbers if we have some of the Great Lakes streets loaded in our website
Great Lakes Area Code is 224/847 and Time Zone is Central (GMT -06:00).
Great Lakes Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Great Lakes City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Great Lakes ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Great Lakes, Illinois.
The Great Lakes Zip Code is 60088.
If you want to send a mail to Great Lakes City, you should use the 60088 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Great Lakes 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 60088 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Great Lakes 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.