Whitman County, located in the state of Washington, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Whitman County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
99170
99176
99163
99171
99033
99333
99004
99161
99125
99179
99136
99111
99149
99017
99130
99164
99128
99174
99113
99158
99403
99143
99104
99102

To know more about Whitman County, click the button below:

Whitman County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Whitman County County?

There are approximately 24 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Whitman County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.