Windsor IL ZIP Code
Windsor city is located in Illinois State, Shelby County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Windsor IL zip code by its streets and block numbers if we have some of the Windsor streets loaded in our website
Windsor Area Code is 217 and Time Zone is Central (GMT -06:00).
Windsor Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Windsor City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Windsor ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Windsor, Illinois.
The Windsor Zip Code is 61957.
If you want to send a mail to Windsor City, you should use the 61957 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Windsor 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 61957 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Windsor 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.