Tarkio MO ZIP Code
Tarkio city is located in Missouri State, Atchison County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Tarkio MO zip code by its streets and block numbers if we have some of the Tarkio streets loaded in our website
Tarkio Area Code is 660 and Time Zone is Central (GMT -06:00).
Tarkio Zip Code - Missouri
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Tarkio City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Tarkio ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Tarkio, Missouri.
The Tarkio Zip Code is 64491.
If you want to send a mail to Tarkio City, you should use the 64491 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Tarkio 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 64491 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Tarkio 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 Missouri.