Keyesport IL ZIP Code
Keyesport city is located in Illinois State, Clinton County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Keyesport IL zip code by its streets and block numbers if we have some of the Keyesport streets loaded in our website
Keyesport Area Code is 618 and Time Zone is Central (GMT -06:00).
Keyesport Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Keyesport City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Keyesport ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Keyesport, Illinois.
The Keyesport Zip Code is 62253.
If you want to send a mail to Keyesport City, you should use the 62253 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Keyesport 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 62253 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Keyesport 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.