| Ort | Postleitzahl |
|---|---|
| Agoritschach, Arnoldstein | 9601 |
| Arnoldstein, Arnoldstein | 9601 |
| Erlendorf, Arnoldstein | 9587 |
| Gailitz, Arnoldstein | 9601 |
| Greuth, Arnoldstein | 9601, 9602 |
| Hart, Arnoldstein | 9586, 9587, 9587 |
| Krainberg, Arnoldstein | 9587 |
| Krainegg, Arnoldstein | 9587 |
| Lind, Arnoldstein | 9601 |
| Maglern, Arnoldstein | 9602 |
| Neuhaus an der Gail, Arnoldstein | 9587 |
| Oberthörl, Arnoldstein | 9602 |
| Pessendellach, Arnoldstein | 9602 |
| Pöckau, Arnoldstein | 9601 |
| Radendorf, Arnoldstein | 9587 |
| Riegersdorf, Arnoldstein | 9587 |
| Sankt Leonhard bei Siebenbrünn, Arnoldstein | 9587 |
| Seltschach, Arnoldstein | 9601 |
| Thörl-Maglern-Greuth, Arnoldstein | 9602 |
| Tschau, Arnoldstein | 9587 |
| Unterthörl, Arnoldstein | 9602 |