ZIP CodesZIP codes in Columbia County, Oregon
Columbia County, Oregon has 8 ZIP codes in this list, from 97016 to 97064. They cover 8 places, among them Clatskanie, Columbia City, Rainier and Saint Helens.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 97016 | Clatskanie | 230 | 46.066, -123.206 |
| 97018 | Columbia City | 0.8 | 45.892, -122.812 |
| 97048 | Rainier | 97.8 | 46.065, -122.967 |
| 97051 | Saint Helens | 57.5 | 45.861, -122.828 |
| 97053 | Warren | 12.8 | 45.826, -122.863 |
| 97054 | Deer Island | 39.7 | 45.936, -122.898 |
| 97056 | Scappoose | 111 | 45.766, -122.893 |
| 97064 | Vernonia | 97.7 | 45.857, -123.197 |
The ZIP code areas of Columbia County add up to about 647 square miles of land (1,676 sq km) as the Census Bureau draws them. The largest is 97016 (Clatskanie), with 230 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Clatskanie, OR 97016.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.