| Place | Post Code |
|---|---|
| Palos Negros, San Antonio | 50203 |
| Piave, San Antonio | 50203 |
| Piedras Blancas, San Antonio | 50203 |
| Pozas, San Antonio | 50203 |
| Pozo de Agua, San Antonio | 50203 |
| Pueblo Nuevo, San Antonio | 50203 |
| Puerto Humo, San Antonio | 50203 |
| Rosario, San Antonio | 50203 |
| San Lázaro, San Antonio | 50203 |
| San Vicente, San Antonio | 50203 |
| Silencio, San Antonio | 50203 |
| Talolinga, San Antonio | 50203 |
| Tamarindo, San Antonio | 50203 |
| Zapote, San Antonio | 50203 |
| All postal codes in Nicoya | |
|---|---|
| Belén de Nosarita, Nicoya | |
| Mansión, Nicoya | |
| Nicoya, Nicoya | |
| Nosara, Nicoya | |
| Quebrada Honda, Nicoya | |
| Sámara, Nicoya | |
| San Antonio, Nicoya | |