Chesterton IN ZIP Code
Chesterton city is located in Indiana State, Porter County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Chesterton IN zip code by its streets and block numbers if we have some of the Chesterton streets loaded in our website
Chesterton Area Code is 219 and Time Zone is Central (GMT -06:00).
Chesterton Zip Code - Indiana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Chesterton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Chesterton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Chesterton, Indiana.
The Chesterton Zip Code is 46304.
If you want to send a mail to Chesterton City, you should use the 46304 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Chesterton 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 46304 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Chesterton 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 Indiana.