Flathead County, located in the state of Montana, 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 Flathead County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
59917
59928
59916
59921
59937
59927
59845
59912
59922
59932
59913
59925
59903
59926
59936
59901
59904
59911
59920
59919

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

Flathead 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 Flathead County County?

There are approximately 20 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Flathead 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.