Oswego IL ZIP Code

Oswego city is located in Illinois State, Kendall County and has a unique zip code assigned by the US Postal Service Office.


You can search for the Oswego IL zip code by its streets and block numbers if we have some of the Oswego streets loaded in our website

Oswego Area Code is 630/331 and Time Zone is Central (GMT -06:00).



Oswego Zip Code - Illinois

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

The Oswego Zip Code is 60543.



If you want to send a mail to Oswego City, you should use the 60543 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Oswego 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 60543 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oswego 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.


Oswego, Illinois - MAP




What is the Oswego Zip Code?

The Oswego Zip Code in Illinois is 60543.


ZIP Plus 4 Oswego - US Streets Zip Codes

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


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Search Oswego Zip Code

What is the zip code for Oswego IL?

60543

Oswego, Illinois - US Zip Code



Oswego ZIP Code Lookup

60543 Zip Code File:
Zip Code: 60543,
City: Oswego
Oswego Area Code: 630/331
Oswego, IL - Time Zone: Central (GMT -06:00)
County: Kendall
City Alias: Oswego
State: Illinois
State Abb: IL



Illinois Zip+4 - Nearby Oswego Cities

Cities near Oswego in Illinois
(straight line)


View more Illinois zip codes