| Place | Post Code |
|---|---|
| Cáhuil, Pichilemu | 3220000 |
| Pichilemu, Pichilemu | 3220000 |
| All postal codes in Cardenal Caro | |
|---|---|
| La Estrella, Cardenal Caro | |
| Litueche, Cardenal Caro | |
| Marchigüe, Cardenal Caro | |
| Navidad, Cardenal Caro | |
| Paredones, Cardenal Caro | |
| Pichilemu, Cardenal Caro | |