Kitsap 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 Kitsap County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
98359
98353
98312
98329
98380
98342
98340
98364
98366
98110
98370
98346
98322
98384
98315
98392
98393
98345
98061
98311
98310
98367
98337
98314
98383
98528
98386

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

Kitsap 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 Kitsap County County?

There are approximately 27 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Kitsap 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.