Saint John WA ZIP Code

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

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

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

Saint John Zip Code - Washington

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

The Saint John Zip Code is 99171.

If you want to send a mail to Saint John City, you should use the 99171 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Saint John 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 99171 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saint John 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.

Saint John, Washington - MAP

What is the Saint John Zip Code?

The Saint John Zip Code in Washington is 99171.

ZIP Plus 4 Saint John - US Streets Zip Codes

By pressing keys ctrol + F you can search Saint John zip codes by its streets, highways, and know the ZIP+4

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What is the zip code for Saint John WA?


Saint John, Washington -

Saint John ZIP Code Lookup

99171 Zip Code File:
Zip Code: 99171,
City: Saint John
Saint John Area Code: 509
Saint John, WA - Time Zone: Pacific (GMT -08:00)
County: Whitman
City Alias: Saint John
State: Washington
State Abb: WA

Washington Zip+4 - Nearby Saint John Cities

Cities near Saint John in Washington
(straight line)

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