Casey IL ZIP Code
Casey city is located in Illinois State, Clark County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Casey IL zip code by its streets and block numbers if we have some of the Casey streets loaded in our website
Casey Area Code is 217 and Time Zone is Central (GMT -06:00).
Casey Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Casey City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Casey ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Casey, Illinois.
The Casey Zip Code is 62420.
If you want to send a mail to Casey City, you should use the 62420 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Casey 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 62420 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Casey 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.