Lake Forest IL ZIP Code

Lake Forest 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 Lake Forest IL zip code by its streets and block numbers if we have some of the Lake Forest streets loaded in our website

Lake Forest Area Code is 847/224 and Time Zone is Central (GMT -06:00).



Lake Forest Zip Code - Illinois

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Lake Forest City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Lake Forest ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Lake Forest, Illinois.

The Lake Forest Zip Code is 60045.



If you want to send a mail to Lake Forest City, you should use the 60045 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Lake 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 60045 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Lake 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.


Lake Forest, Illinois - MAP




What is the Lake Forest Zip Code?

The Lake Forest Zip Code in Illinois is 60045.


ZIP Plus 4 Lake Forest - US Streets Zip Codes

By pressing keys ctrol + F you can search Lake Forest zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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Search Lake Forest Zip Code

What is the zip code for Lake Forest IL?

60045

Lake Forest, Illinois - US Zip Code



Lake Forest ZIP Code Lookup

60045 Zip Code File:
Zip Code: 60045,
City: Lake Forest
Lake Forest Area Code: 847/224
Lake Forest, IL - Time Zone: Central (GMT -06:00)
County: Lake
City Alias: Lincolnshire Woods, Lake Forest, Green Oaks, Mettawa
State: Illinois
State Abb: IL



Illinois Zip+4 - Nearby Lake Forest Cities

Cities near Lake Forest in Illinois
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View more Illinois zip codes