Clarkston WA ZIP Code
Clarkston city is located in Washington State, Asotin County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Clarkston WA zip code by its streets and block numbers if we have some of the Clarkston streets loaded in our website
Clarkston Area Code is 509 and Time Zone is Pacific (GMT -08:00).
Clarkston Zip Code - Washington
The big-team.ru basic format consists of five decimal numerical digits assigned to the Clarkston City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Clarkston ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Clarkston, Washington.
The Clarkston Zip Code is 99403.
If you want to send a mail to Clarkston City, you should use the 99403 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Clarkston 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 99403 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Clarkston 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 Washington.