Kilbourne IL ZIP Code
Kilbourne city is located in Illinois State, Mason County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Kilbourne IL zip code by its streets and block numbers if we have some of the Kilbourne streets loaded in our website
Kilbourne Area Code is 309 and Time Zone is Central (GMT -06:00).
Kilbourne Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Kilbourne City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Kilbourne ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Kilbourne, Illinois.
The Kilbourne Zip Code is 62655.
If you want to send a mail to Kilbourne City, you should use the 62655 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Kilbourne 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 62655 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Kilbourne 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.