West Brooklyn IL ZIP Code
West Brooklyn city is located in Illinois State, Lee County and has a unique zip code assigned by the US Postal Service Office.
You can search for the West Brooklyn IL zip code by its streets and block numbers if we have some of the West Brooklyn streets loaded in our website
West Brooklyn Area Code is 815 and Time Zone is Central (GMT -06:00).
West Brooklyn Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the West Brooklyn City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the West Brooklyn ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in West Brooklyn, Illinois.
The West Brooklyn Zip Code is 61378.
If you want to send a mail to West Brooklyn City, you should use the 61378 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded West Brooklyn 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 61378 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a West Brooklyn 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.