Underwood WA ZIP Code

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

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

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

Underwood Zip Code - Washington

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

The Underwood Zip Code is 98651.

If you want to send a mail to Underwood City, you should use the 98651 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Underwood 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 98651 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Underwood 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.

Underwood, Washington - MAP

What is the Underwood Zip Code?

The Underwood Zip Code in Washington is 98651.

ZIP Plus 4 Underwood - US Streets Zip Codes

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Underwood, Washington - US Zip Code

Underwood ZIP Code Lookup

98651 Zip Code File:
Zip Code: 98651,
City: Underwood
Underwood Area Code: 509
Underwood, WA - Time Zone: Pacific (GMT -08:00)
County: Skamania
City Alias: Underwood
State: Washington
State Abb: WA

Washington Zip+4 - Nearby Underwood Cities

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