| Lieu | Code postal |
|---|---|
| Atogcancha, Cahuac | 10590 |
| Bolognesi, Cahuac | 10590 |
| Buenos Aires, Cahuac | 10590 |
| Cahuac, Cahuac | 10590 |
| Cancal, Cahuac | 10590 |
| Cangrash Huay, Cahuac | 10590 |
| Chihuancal, Cahuac | 10590 |
| Cruz Pampa, Cahuac | 10590 |
| Cucamachay, Cahuac | 10590 |
| El Carmen, Cahuac | 10590 |
| Gonog Puquio, Cahuac | 10590 |
| Guellay Aspina, Cahuac | 10590 |
| Guenay Huain, Cahuac | 10590 |
| Huacachi, Cahuac | 10590 |
| Huairamarca, Cahuac | 10590 |
| Hualurraga, Cahuac | 10590 |
| Huasca, Cahuac | 10590 |
| Huaylapa (Sierra Verde), Cahuac | 10590 |
| Janaraga, Cahuac | 10590 |
| Jatun 0go, Cahuac | 10590 |
| Jatun Tucto, Cahuac | 10590 |
| Mishqui Ragran, Cahuac | 10590 |
| Palpan, Cahuac | 10590 |
| Paquiushno, Cahuac | 10590 |
| Pariagaga, Cahuac | 10590 |
| Progresista (Pogra), Cahuac | 10590 |