| Place | Post Code |
|---|---|
| Acomayo, Chinchao | 10111 |
| Agua Nueva, Chinchao | 10110 |
| Antapucro, Chinchao | 10110 |
| Atajo, Chinchao | 10110 |
| Aynipampa, Chinchao | 10110 |
| Bandera Blanca, Chinchao | 10110 |
| Bella Vista, Chinchao | 10110 |
| Buena Vista, Chinchao | 10110 |
| Buenos Aires, Chinchao | 10110 |
| Buenos Aires de Pillao, Chinchao | 10110 |
| Cancejos, Chinchao | 10110 |
| Capillayoj, Chinchao | 10110 |
| Caracol, Chinchao | 10110 |
| Carpicaya, Chinchao | 10110 |
| Cayumba Chico, Chinchao | 10110 |
| Chacabamba, Chinchao | 10110 |
| Chagllapampa, Chinchao | 10110 |
| Challana, Chinchao | 10110 |
| Chaupiyunca, Chinchao | 10110 |
| Chichipara, Chinchao | 10110 |
| Chincay, Chinchao | 10110 |
| Chinchao, Chinchao | 10110 |
| Chinchinga, Chinchao | 10110 |
| Chinchupampa, Chinchao | 10110 |
| Chunacan, Chinchao | 10110 |
| Cochas Chico, Chinchao | 10110 |