Postal Code for Rock Island, Washington
The postal code for Rock Island, Washington, United States is 98850. With map location and coordinates.
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The postal code for Rock Island, Washington, United States is 98850:
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 98850 | Rock Island | Douglas | 47.371, -120.138 |
‹ All postal codes in Washington
Frequently asked questions
What is the postal code of Rock Island?
The postal code of Rock Island is 98850.
Why does Rock Island have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.