Simpson IL ZIP Code
Simpson city is located in Illinois State, Johnson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Simpson IL zip code by its streets and block numbers if we have some of the Simpson streets loaded in our website
Simpson Area Code is 618 and Time Zone is Central (GMT -06:00).
Simpson Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Simpson City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Simpson ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Simpson, Illinois.
The Simpson Zip Code is 62985.
If you want to send a mail to Simpson City, you should use the 62985 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Simpson 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 62985 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Simpson 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.