Raritan IL ZIP Code
Raritan city is located in Illinois State, Henderson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Raritan IL zip code by its streets and block numbers if we have some of the Raritan streets loaded in our website
Raritan Area Code is 309 and Time Zone is Central (GMT -06:00).
Raritan Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Raritan City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Raritan ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Raritan, Illinois.
The Raritan Zip Code is 61471.
If you want to send a mail to Raritan City, you should use the 61471 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Raritan 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 61471 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Raritan 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.