| Place | Post Code |
|---|---|
| Altura, San Juan | 20802 |
| Corazón de Jesús, San Juan | 20802 |
| Guapinol, San Juan | 20802 |
| Mastate, San Juan | 20802 |
| San Juan Norte, San Juan | 20802 |
| San Juan Sur, San Juan | 20802 |
| Tablones, San Juan | 20802 |
| All postal codes in Poás | |
|---|---|
| Carrillos, Poás | |
| Sabana Redonda, Poás | |
| San Juan, Poás | |
| San Pedro, Poás | |
| San Rafael, Poás | |