Knox IN ZIP Code
Knox city is located in Indiana State, Starke County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Knox IN zip code by its streets and block numbers if we have some of the Knox streets loaded in our website
Knox Area Code is 574 and Time Zone is Central (GMT -06:00).
Knox Zip Code - Indiana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Knox City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Knox ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Knox, Indiana.
The Knox Zip Code is 46534.
If you want to send a mail to Knox City, you should use the 46534 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Knox 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 46534 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Knox 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.