| Place | Post Code |
|---|---|
| Sirquinpayog, Huácar | 10440 |
| Tambo Pampa, Huácar | 10440 |
| Tarapata, Huácar | 10440 |
| Tillupacag, Huácar | 10440 |
| Tranca, Huácar | 10440 |
| Tres Cruces, Huácar | 10440 |
| Turucasha, Huácar | 10440 |
| Uchuctara, Huácar | 10440 |
| Urpumullan, Huácar | 10440 |
| Ututuyo, Huácar | 10440 |
| Viroy, Huácar | 10440 |
| Vista Alegre, Huácar | 10440 |
| Wichic Chupan, Huácar | 10440 |
| Yacobamba, Huácar | 10440 |
| Yoragrumi, Huácar | 10440 |
| All postal codes in Ambo | |
|---|---|
| Ambo, Ambo | |
| Cayna, Ambo | |
| Colpas, Ambo | |
| Conchamarca, Ambo | |
| Huácar, Ambo | |
| San Francisco, Ambo | |
| San Rafael, Ambo | |
| Tomay Kichwa, Ambo | |