Atkinson IL ZIP Code
Atkinson city is located in Illinois State, Henry County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Atkinson IL zip code by its streets and block numbers if we have some of the Atkinson streets loaded in our website
Atkinson Area Code is 309/815 and Time Zone is Central (GMT -06:00).
Atkinson Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Atkinson City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Atkinson ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Atkinson, Illinois.
The Atkinson Zip Code is 61235.
If you want to send a mail to Atkinson City, you should use the 61235 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Atkinson 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 61235 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Atkinson 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.