| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in San Luis, La Peca | 01740 |
| Postal/ZIP Codes in Santa Rosa, La Peca | 01740 |
| Postal/ZIP Codes in Shambo, La Peca | 01740 |
| Postal/ZIP Codes in Tranquilla, La Peca | 01740 |
| Postal/ZIP Codes in Union Progreso, La Peca | 01740 |
| Postal/ZIP Codes in Yacupe, La Peca | 01740 |