Steward IL ZIP Code
Steward 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 Steward IL zip code by its streets and block numbers if we have some of the Steward streets loaded in our website
Steward Area Code is 815 and Time Zone is Central (GMT -06:00).
Steward Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Steward City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Steward ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Steward, Illinois.
The Steward Zip Code is 60553.
If you want to send a mail to Steward City, you should use the 60553 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Steward 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 60553 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Steward 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.