Carterville IL ZIP Code
Carterville city is located in Illinois State, Williamson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Carterville IL zip code by its streets and block numbers if we have some of the Carterville streets loaded in our website
Carterville Area Code is 618 and Time Zone is Central (GMT -06:00).
Carterville Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Carterville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Carterville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Carterville, Illinois.
The Carterville Zip Code is 62918.
If you want to send a mail to Carterville City, you should use the 62918 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Carterville 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 62918 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Carterville 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.