| Ort | Postleitzahl |
|---|---|
| Agua Blanca, Huamachuco | 13300 |
| Anguayaco, Huamachuco | 13300 |
| Cahuadan, Huamachuco | 13300 |
| Capuli, Huamachuco | 13300 |
| Carabamba, Huamachuco | 13300 |
| Carracmaca, Huamachuco | 13300 |
| Cerro Campana, Huamachuco | 13300 |
| Chamis, Huamachuco | 13300 |
| Chochoconda, Huamachuco | 13300 |
| Choquizonguillo, Huamachuco | 13300 |
| Coigobamba Alto, Huamachuco | 13300 |
| Coigobamba Baja, Huamachuco | 13300 |
| Coipin, Huamachuco | 13300 |
| Colpa Yanasarina, Huamachuco | 13300 |
| Coyochuro, Huamachuco | 13300 |
| Culicanda, Huamachuco | 13300 |
| Cumumbamba, Huamachuco | 13300 |
| Cushuro, Huamachuco | 13300 |
| El Olivo, Huamachuco | 13300 |
| El Toro, Huamachuco | 13300 |
| Hogusgon, Huamachuco | 13300 |
| Huacchac, Huamachuco | 13300 |
| Huachacorral (Huachacchal), Huamachuco | 13300 |
| Huamachuco, Huamachuco | 13301 |
| Isogocha, Huamachuco | 13300 |
| La Arena, Huamachuco | 13300 |