Asotin WA ZIP Code
Asotin 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 Asotin WA zip code by its streets and block numbers if we have some of the Asotin streets loaded in our website
Asotin Area Code is 509 and Time Zone is Pacific (GMT -08:00).
Asotin Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Asotin City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Asotin ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Asotin, Washington.
The Asotin Zip Code is 99402.
If you want to send a mail to Asotin City, you should use the 99402 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Asotin 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 99402 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Asotin 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.