| Place | Post Code |
|---|---|
| Bahía, Bahía Ballena | 60504 |
| Ballena, Bahía Ballena | 60504 |
| Brisas, Bahía Ballena | 60504 |
| Cambutal, Bahía Ballena | 60504 |
| Dominical, Bahía Ballena | 60504 |
| Dominicalito, Bahía Ballena | 60504 |
| Escaleras, Bahía Ballena | 60504 |
| Piedra Achiote, Bahía Ballena | 60504 |
| Piñuela, Bahía Ballena | 60504 |
| Playa Hermosa, Bahía Ballena | 60504 |
| Poza Azul, Bahía Ballena | 60504 |
| Puerto Nuevo, Bahía Ballena | 60504 |
| Quebrada Grande, Bahía Ballena | 60504 |
| Rocas Amancio, Bahía Ballena | 60504 |
| San Josecito, Bahía Ballena | 60504 |
| San martín, Bahía Ballena | 60504 |
| Tortuga Arriba, Bahía Ballena | 60504 |
| Uvita, Bahía Ballena | 60504 |
| Ventanas, Bahía Ballena | 60504 |
| All postal codes in Osa | |
|---|---|
| Bahía Ballena, Osa | |
| Palmar, Osa | |
| Piedras Blancas, Osa | |
| Puerto Cortés, Osa | |
| Sierpe, Osa | |