East Alton IL ZIP Code
East Alton city is located in Illinois State, Madison County and has a unique zip code assigned by the US Postal Service Office.
You can search for the East Alton IL zip code by its streets and block numbers if we have some of the East Alton streets loaded in our website
East Alton Area Code is 618 and Time Zone is Central (GMT -06:00).
East Alton Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the East Alton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the East Alton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in East Alton, Illinois.
The East Alton Zip Code is 62024.
If you want to send a mail to East Alton City, you should use the 62024 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded East Alton 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 62024 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a East Alton 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.