| Place | Post Code |
|---|---|
| Achupas, Balsas | 01475 |
| Balsas, Balsas | 01475 |
| Casas Viejas, Balsas | 01475 |
| Chacanto, Balsas | 01475 |
| Chanchillo, Balsas | 01475 |
| Embon, Balsas | 01475 |
| Gollon, Balsas | 01475 |
| Hornopampa, Balsas | 01475 |
| Huanabamba, Balsas | 01475 |
| Illabamba, Balsas | 01475 |
| Jaguay, Balsas | 01475 |
| La Playa, Balsas | 01475 |
| Las Cuevas, Balsas | 01475 |
| Las Escobas, Balsas | 01475 |
| Las Palmas, Balsas | 01475 |
| Lumbay, Balsas | 01475 |
| Manantial, Balsas | 01475 |
| Minas, Balsas | 01475 |
| Pagna, Balsas | 01475 |
| Papurco, Balsas | 01475 |
| Quishuar, Balsas | 01475 |
| Sacshe, Balsas | 01475 |
| San Basilio, Balsas | 01475 |
| Saullamur, Balsas | 01475 |
| Tuen, Balsas | 01475 |