Carbon Cliff IL ZIP Code
Carbon Cliff city is located in Illinois State, Rock Island County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Carbon Cliff IL zip code by its streets and block numbers if we have some of the Carbon Cliff streets loaded in our website
Carbon Cliff Area Code is 309 and Time Zone is Central (GMT -06:00).
Carbon Cliff Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Carbon Cliff City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Carbon Cliff ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Carbon Cliff, Illinois.
The Carbon Cliff Zip Code is 61239.
If you want to send a mail to Carbon Cliff City, you should use the 61239 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Carbon Cliff 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 61239 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Carbon Cliff 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.