Watseka IL ZIP Code
Watseka city is located in Illinois State, Iroquois County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Watseka IL zip code by its streets and block numbers if we have some of the Watseka streets loaded in our website
Watseka Area Code is 815/779 and Time Zone is Central (GMT -06:00).
Watseka Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Watseka City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Watseka ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Watseka, Illinois.
The Watseka Zip Code is 60970.
If you want to send a mail to Watseka City, you should use the 60970 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Watseka 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 60970 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Watseka 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.