| Place | Post Code |
|---|---|
| Huaquian (Cuartel 7mo), Masma | 12165 |
| Jose de San Martin (Cuartel 3ro), Masma | 12165 |
| Mariscal Caceres (Cuartel 6to), Masma | 12165 |
| Masma, Masma | 12165 |
| Ocoroyoc, Masma | 12165 |
| San Juan de Uchubamba, Masma | 12165 |
| Simon Bolivar (Cuartel 5to), Masma | 12165 |
| Tambillo, Masma | 12165 |
| Tantalpampa, Masma | 12165 |