| Place | Post Code |
|---|---|
| Arenal, Olleros | 01280 |
| Cacachaki, Olleros | 01280 |
| Cashac, Olleros | 01280 |
| Chacapata, Olleros | 01280 |
| Chibalta, Olleros | 01280 |
| Cupacha, Olleros | 01280 |
| La Reyna (San Miguel de la Reyna), Olleros | 01280 |
| Lindero, Olleros | 01280 |
| Olleros, Olleros | 01280 |
| Romero, Olleros | 01280 |
| Siricha, Olleros | 01280 |
| Siso, Olleros | 01280 |