Steptoe WA ZIP Code

Steptoe 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 Steptoe WA zip code by its streets and block numbers if we have some of the Steptoe streets loaded in our website

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



Steptoe Zip Code - Washington

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

The Steptoe Zip Code is 99174.



If you want to send a mail to Steptoe City, you should use the 99174 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Steptoe 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 99174 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Steptoe 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.


Steptoe, Washington - MAP




What is the Steptoe Zip Code?

The Steptoe Zip Code in Washington is 99174.


ZIP Plus 4 Steptoe - US Streets Zip Codes

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




Search Steptoe Zip Code

What is the zip code for Steptoe WA?

99174

Steptoe, Washington - US Zip Code



Steptoe ZIP Code Lookup

99174 Zip Code File:
Zip Code: 99174,
City: Steptoe
Steptoe Area Code: 509
Steptoe, WA - Time Zone: Pacific (GMT -08:00)
County: Whitman
City Alias: Colfax, Steptoe
State: Washington
State Abb: WA



Washington Zip+4 - Nearby Steptoe Cities

Cities near Steptoe in Washington
(straight line)


View more Washington zip codes