Troy Grove IL ZIP Code
Troy Grove city is located in Illinois State, La Salle County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Troy Grove IL zip code by its streets and block numbers if we have some of the Troy Grove streets loaded in our website
Troy Grove Area Code is 815/779 and Time Zone is Central (GMT -06:00).
Troy Grove Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Troy Grove City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Troy Grove ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Troy Grove, Illinois.
The Troy Grove Zip Code is 61372.
If you want to send a mail to Troy Grove City, you should use the 61372 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Troy Grove 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 61372 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Troy Grove 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.