| Place | Post Code |
|---|---|
| Acobambilla, Huácar | 10440 |
| Acochincha, Huácar | 10440 |
| Acucullay, Huácar | 10440 |
| Alverjasniyog, Huácar | 10440 |
| Amapata, Huácar | 10440 |
| Angasmarca, Huácar | 10440 |
| Anyanga, Huácar | 10440 |
| Argama, Huácar | 10440 |
| Argullacu, Huácar | 10440 |
| Atahuayon, Huácar | 10440 |
| Azucena, Huácar | 10440 |
| Buena Vista, Huácar | 10440 |
| Buena Vista (Viroy), Huácar | 10440 |
| Buenos Aires, Huácar | 10440 |
| Cahuituyoc, Huácar | 10440 |
| Capillayoc, Huácar | 10440 |
| Cardonniyog, Huácar | 10440 |
| Carhuachin, Huácar | 10440 |
| Carhuacocha, Huácar | 10440 |
| Chacaragra, Huácar | 10440 |
| Chamanapampa, Huácar | 10440 |
| Chango, Huácar | 10440 |
| Chico, Huácar | 10440 |
| Chicopata, Huácar | 10440 |
| Chihuanguay, Huácar | 10440 |
| Chilcapuquio, 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 | |