| Ort | Postleitzahl |
|---|---|
| Abilay Norte, Oton | 5020 |
| Abilay Sur, Oton | 5020 |
| Alegre, Oton | 5020 |
| Batuan Ilaud, Oton | 5020 |
| Batuan Ilaya, Oton | 5020 |
| Bita Norte, Oton | 5020 |
| Bita Sur, Oton | 5020 |
| Botong, Oton | 5020 |
| Buray, Oton | 5020 |
| Cabanbanan, Oton | 5020 |
| Caboloan Norte, Oton | 5020 |
| Caboloan Sur, Oton | 5020 |
| Cadinglian, Oton | 5020 |
| Cagbang, Oton | 5020 |
| Calam-Isan, Oton | 5020 |
| Galang, Oton | 5020 |
| Lambuyao, Oton | 5020 |
| Mambog, Oton | 5020 |
| Pakiad, Oton | 5020 |
| Poblacion East, Oton | 5020 |
| Poblacion North, Oton | 5020 |
| Poblacion South, Oton | 5020 |
| Poblacion West, Oton | 5020 |
| Polo Maestra Bita, Oton | 5020 |
| Rizal, Oton | 5020 |
| Salngan, Oton | 5020 |