| Place | Post Code |
|---|---|
| Manahuiyay, Masin | 02324 |
| Masin, Masin | 02324 |
| Matibamba, Masin | 02324 |
| Mitubamba, Masin | 02324 |
| Muchcol, Masin | 02324 |
| Papachacra, Masin | 02324 |
| Parish, Masin | 02324 |
| Paro, Masin | 02324 |
| Pomachaca, Masin | 02324 |
| Pucayacu, Masin | 02324 |
| Quechca, Masin | 02324 |
| Quillagaga, Masin | 02324 |
| San Francisco de Shogshi, Masin | 02324 |
| Shupe, Masin | 02324 |
| Tarapampa, Masin | 02324 |
| Taulli, Masin | 02324 |
| Toldorumi, Masin | 02324 |
| Yacuraquinan, Masin | 02324 |