Atlanta IL ZIP Code
Atlanta city is located in Illinois State, Logan County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Atlanta IL zip code by its streets and block numbers if we have some of the Atlanta streets loaded in our website
Atlanta Area Code is 217/309 and Time Zone is Central (GMT -06:00).
Atlanta Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Atlanta City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Atlanta ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Atlanta, Illinois.
The Atlanta Zip Code is 61723.
If you want to send a mail to Atlanta City, you should use the 61723 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Atlanta 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 61723 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Atlanta 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.