Grand Coulee WA ZIP Code

Grand Coulee city is located in Washington State, Grant County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Grand Coulee WA zip code by its streets and block numbers if we have some of the Grand Coulee streets loaded in our website

Grand Coulee Area Code is 509 and Time Zone is Pacific (GMT -08:00).

Grand Coulee Zip Code - Washington

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Grand Coulee City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Grand Coulee ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Grand Coulee, Washington.

The Grand Coulee Zip Code is 99133.

If you want to send a mail to Grand Coulee City, you should use the 99133 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Grand Coulee 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 99133 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Grand Coulee 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.

Grand Coulee, Washington - MAP

What is the Grand Coulee Zip Code?

The Grand Coulee Zip Code in Washington is 99133.

ZIP Plus 4 Grand Coulee - US Streets Zip Codes

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What is the zip code for Grand Coulee WA?


Grand Coulee, Washington - US Zip Code

Grand Coulee ZIP Code Lookup

99133 Zip Code File:
Zip Code: 99133,
City: Grand Coulee
Grand Coulee Area Code: 509
Grand Coulee, WA - Time Zone: Pacific (GMT -08:00)
County: Grant
City Alias: Grand Coulee
State: Washington
State Abb: WA

Washington Zip+4 - Nearby Grand Coulee Cities

Cities near Grand Coulee in Washington
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