Dwight IL ZIP Code
Dwight city is located in Illinois State, Livingston County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dwight IL zip code by its streets and block numbers if we have some of the Dwight streets loaded in our website
Dwight Area Code is 815 and Time Zone is Central (GMT -06:00).
Dwight Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dwight City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dwight ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dwight, Illinois.
The Dwight Zip Code is 60420.
If you want to send a mail to Dwight City, you should use the 60420 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dwight 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 60420 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dwight 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.