| Post Office | Saint Helens |
| Division | Columbia |
| Pincode | 97051 |
| Post Office | Scappoose |
| Division | Columbia |
| Pincode | 97056 |
| Post Office | Rainier |
| Division | Columbia |
| Pincode | 97048 |
| Post Office | Clatskanie |
| Division | Columbia |
| Pincode | 97016 |
| Post Office | Warren |
| Division | Columbia |
| Pincode | 97053 |
| Post Office | Vernonia |
| Division | Columbia |
| Pincode | 97064 |
8 City in Columbia | List of Zip Codes Location In Oregon and Your selected County Columbia
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