| Place | Post Code |
|---|---|
| Santa Cruz, Huamachuco | 13300 |
| Sausacocha, Huamachuco | 13300 |
| Sazon, Huamachuco | 13300 |
| Shangar, Huamachuco | 13300 |
| Shiracmaca, Huamachuco | 13300 |
| Siguispampa, Huamachuco | 13300 |
| Surual, Huamachuco | 13300 |
| Urpay, Huamachuco | 13300 |
| Vaqueria, Huamachuco | 13300 |
| Wiracochapampa, Huamachuco | 13300 |
| Yamobamba, Huamachuco | 13300 |
| Yanac, Huamachuco | 13300 |
| Yanasara, Huamachuco | 13300 |