| Districts |
|---|
| Ambo, Ambo |
| Cayna, Ambo |
| Colpas, Ambo |
| Conchamarca, Ambo |
| Huácar, Ambo |
| San Francisco, Ambo |
| San Rafael, Ambo |
| Tomay Kichwa, Ambo |
| All postal codes in Huánuco |
|---|
| Ambo |
| Dos de Mayo |
| Huacaybamba |
| Huamalíes |
| Huánuco |
| Lauricocha |
| Leoncio Prado |
| Marañón |
| Pachitea |
| Puerto Inca |
| Yarowilca |