Oakville WA ZIP Code
Oakville city is located in Washington State, Grays Harbor County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oakville WA zip code by its streets and block numbers if we have some of the Oakville streets loaded in our website
Oakville Area Code is 360 and Time Zone is Pacific (GMT -08:00).
Oakville Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oakville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oakville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oakville, Washington.
The Oakville Zip Code is 98568.
If you want to send a mail to Oakville City, you should use the 98568 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oakville 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 98568 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oakville 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.