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

Zip code
98537
98563
98595
98550
98583
98569
98520
98526
98575
98562
98557
98579
98541
98547
98568
98536
98566
98535
98571
98552
98559
98587

To know more about Grays Harbor County, click the button below:

Grays Harbor 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 Grays Harbor County County?

There are approximately 22 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Grays Harbor 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.