| Place | Post Code |
|---|---|
| Dobrowa, Ruden | 9113 |
| Eis, Ruden | 9113 |
| Grutschen, Ruden | 9113 |
| Kanaren, Ruden | 9113 |
| Kleindiex, Ruden | 9113 |
| Kraßnitz, Ruden | 9113 |
| Lippitzbach, Ruden | 9113 |
| Obermitterdorf, Ruden | 9113 |
| Ruden, Ruden | 9113 |
| Sankt Jakob, Ruden | 9113 |
| Sankt Martin, Ruden | 9113 |
| Sankt Nikolai, Ruden | 9113 |
| Sankt Radegund, Ruden | 9113 |
| Untermitterdorf, Ruden | 9113 |
| Unternberg, Ruden | 9113 |
| Unterrain, Ruden | 9113 |
| Weißeneggerberg, Ruden | 9113 |
| Wunderstätten, Ruden | 9113 |