Hardtner KS ZIP Code
Hardtner city is located in Kansas State, Barber County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Hardtner KS zip code by its streets and block numbers if we have some of the Hardtner streets loaded in our website
Hardtner Area Code is 620 and Time Zone is Central (GMT -06:00).
Hardtner Zip Code - Kansas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Hardtner City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Hardtner ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Hardtner, Kansas.
The Hardtner Zip Code is 67057.
If you want to send a mail to Hardtner City, you should use the 67057 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Hardtner 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 67057 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Hardtner 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 Kansas.