Colfax WA ZIP Code

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

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

Colfax Zip Code - Washington

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

The Colfax Zip Code is 99111.

If you want to send a mail to Colfax City, you should use the 99111 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Colfax 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 99111 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Colfax 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.

Colfax, Washington - MAP

What is the Colfax Zip Code?

The Colfax Zip Code in Washington is 99111.

ZIP Plus 4 Colfax - US Streets Zip Codes

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What is the zip code for Colfax WA?


Colfax, Washington -

Colfax ZIP Code Lookup

99111 Zip Code File:
Zip Code: 99111,
City: Colfax
Colfax Area Code: 509
Colfax, WA - Time Zone: Pacific (GMT -08:00)
County: Whitman
City Alias: Diamond, Colfax
State: Washington
State Abb: WA

Washington Zip+4 - Nearby Colfax Cities

Cities near Colfax in Washington
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