Listing
Zip Codes by County
(COLUMBIA County, Oregon Zip Codes)
| Zip Code | City | County | State | Area Code | Time Zone | DST | Latitude | Longitude |
| 97016 | Westport | COLUMBIA | OR | 503 | PST | Y | 46.093741 | -123.541689 |
| 97016 | Clatskanie | COLUMBIA | OR | 503 | PST | Y | 46.093741 | -123.541689 |
| 97016 | Birkenfeld | COLUMBIA | OR | 503 | PST | Y | 46.093741 | -123.541689 |
| 97016 | Mist | COLUMBIA | OR | 503 | PST | Y | 46.093741 | -123.541689 |
| 97018 | Columbia City | COLUMBIA | OR | 503 | PST | Y | 45.895039 | -122.814518 |
| 97048 | Rainier | COLUMBIA | OR | 503 | PST | Y | 46.053228 | -122.971330 |
| 97051 | Saint Helens | COLUMBIA | OR | 503/971 | PST | Y | 45.869878 | -122.892258 |
| 97051 | St Helens | COLUMBIA | OR | 503/971 | PST | Y | 45.869878 | -122.892258 |
| 97053 | Warren | COLUMBIA | OR | 503 | PST | Y | 45.823666 | -122.872447 |
| 97054 | Deer Island | COLUMBIA | OR | 503 | PST | Y | 45.935575 | -122.923615 |
| 97056 | Scappoose | COLUMBIA | OR | 503 | PST | Y | 45.799642 | -122.973841 |
| 97064 | Vernonia | COLUMBIA | OR | 503/971 | PST | Y | 45.888422 | -123.173138 |
