Walla Walla WA ZIP Code
Walla Walla city is located in Washington State, Walla Walla County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Walla Walla WA zip code by its streets and block numbers if we have some of the Walla Walla streets loaded in our website
Walla Walla Area Code is 509 and Time Zone is Pacific (GMT -08:00).
Walla Walla Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Walla Walla City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Walla Walla ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Walla Walla, Washington.
The Walla Walla Zip Code is 99362.
If you want to send a mail to Walla Walla City, you should use the 99362 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Walla Walla 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 99362 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Walla Walla 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.