| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Chincolco, Petorca | 2040000 |
| Postal/ZIP Codes in El Valle, Petorca | 2040000 |
| Postal/ZIP Codes in Hierro Viejo, Petorca | 2040000 |
| Postal/ZIP Codes in La Ñipa, Petorca | 2040000 |
| Postal/ZIP Codes in Pedegua, Petorca | 2040000 |
| Postal/ZIP Codes in Petorca, Petorca | 2040000 |
| Postal/ZIP Codes in Santa Julia, Petorca | 2040000 |