Winslow IL ZIP Code
Winslow city is located in Illinois State, Stephenson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Winslow IL zip code by its streets and block numbers if we have some of the Winslow streets loaded in our website
Winslow Area Code is 815 and Time Zone is Central (GMT -06:00).
Winslow Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Winslow City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Winslow ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Winslow, Illinois.
The Winslow Zip Code is 61089.
If you want to send a mail to Winslow City, you should use the 61089 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Winslow 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 61089 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Winslow 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.