Saint Joseph IL ZIP Code
Saint Joseph city is located in Illinois State, Champaign County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Saint Joseph IL zip code by its streets and block numbers if we have some of the Saint Joseph streets loaded in our website
Saint Joseph Area Code is 217 and Time Zone is Central (GMT -06:00).
Saint Joseph Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Saint Joseph City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Saint Joseph ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Saint Joseph, Illinois.
The Saint Joseph Zip Code is 61873.
If you want to send a mail to Saint Joseph City, you should use the 61873 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Saint Joseph 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 61873 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saint Joseph 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.