Duvall WA ZIP Code
Duvall city is located in Washington State, King County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Duvall WA zip code by its streets and block numbers if we have some of the Duvall streets loaded in our website
Duvall Area Code is 425 and Time Zone is Pacific (GMT -08:00).
Duvall Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Duvall City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Duvall ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Duvall, Washington.
The Duvall Zip Code is 98019.
If you want to send a mail to Duvall City, you should use the 98019 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Duvall 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 98019 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Duvall 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.