| Localité | Code postal |
|---|---|
| Arch Cape, Clatsop | 97102 |
| Astoria, Clatsop | 97103 |
| Cannon Beach, Clatsop | 97110 |
| Elsie, Clatsop | 97138 |
| Gearhart, Clatsop | 97138 |
| Hammond, Clatsop | 97121 |
| Jewell, Clatsop | 97138 |
| Seaside, Clatsop | 97138 |
| Tolovana Park, Clatsop | 97145 |
| Tongue Point, Clatsop | 97103 |
| Warrenton, Clatsop | 97146 |