| Place | Post Code |
|---|---|
| San Buenaventura, Puerto Cortés | 60501 |
| San Juan, Puerto Cortés | 60501 |
| San Marcos, Puerto Cortés | 60501 |
| Tagual, Puerto Cortés | 60501 |
| Tortuga Abajo, Puerto Cortés | 60501 |
| Tres Ríos, Puerto Cortés | 60501 |
| Vista de Térraba, Puerto Cortés | 60501 |
| Yuca, Puerto Cortés | 60501 |
| All postal codes in Osa | |
|---|---|
| Bahía Ballena, Osa | |
| Palmar, Osa | |
| Piedras Blancas, Osa | |
| Puerto Cortés, Osa | |
| Sierpe, Osa | |