Green Valley IL ZIP Code
Green Valley city is located in Illinois State, Tazewell County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Green Valley IL zip code by its streets and block numbers if we have some of the Green Valley streets loaded in our website
Green Valley Area Code is 309 and Time Zone is Central (GMT -06:00).
Green Valley Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Green Valley City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Green Valley ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Green Valley, Illinois.
The Green Valley Zip Code is 61534.
If you want to send a mail to Green Valley City, you should use the 61534 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Green Valley 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 61534 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Green Valley 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.