West Richland WA ZIP Code
West Richland city is located in Washington State, Benton County and has a unique zip code assigned by the US Postal Service Office.
You can search for the West Richland WA zip code by its streets and block numbers if we have some of the West Richland streets loaded in our website
West Richland Area Code is 509 and Time Zone is Pacific (GMT -08:00).
West Richland Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the West Richland City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the West Richland ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in West Richland, Washington.
The West Richland Zip Code is 99353.
If you want to send a mail to West Richland City, you should use the 99353 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded West Richland 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 99353 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a West Richland 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.