Addison IL ZIP Code
Addison city is located in Illinois State, Dupage County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Addison IL zip code by its streets and block numbers if we have some of the Addison streets loaded in our website
Addison Area Code is 630/847 and Time Zone is Central (GMT -06:00).
Addison Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Addison City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Addison ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Addison, Illinois.
The Addison Zip Code is 60101.
If you want to send a mail to Addison City, you should use the 60101 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Addison 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 60101 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Addison 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.