| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Alata, Chilca | 12000 |
| Postal/ZIP Codes in Auquimarca, Chilca | 12000 |
| Postal/ZIP Codes in Auray, Chilca | 12000 |
| Postal/ZIP Codes in Azapampa, Chilca | 12000 |
| Postal/ZIP Codes in Chilca, Chilca | 12001, 12002, 12003, 12051 |
| Postal/ZIP Codes in Huinchos, Chilca | 12000 |
| Postal/ZIP Codes in Latapampa, Chilca | 12000 |
| Postal/ZIP Codes in Llamus, Chilca | 12000 |
| Postal/ZIP Codes in Pich Gana Huaccta, Chilca | 12000 |
| Postal/ZIP Codes in Tanquizcancha, Chilca | 12000 |