| Place | Post Code |
|---|---|
| Cerro, San Pedro | 20801 |
| Chilamate, San Pedro | 20801 |
| Hilda, San Pedro | 20801 |
| Rastro, San Pedro | 20801 |
| San Juan Bosco, San Pedro | 20801 |
| San Pedro, San Pedro | 20801 |
| Santa Cecilia, San Pedro | 20801 |
| Sitio, San Pedro | 20801 |
| Zamora, San Pedro | 20801 |
| All postal codes in Poás | |
|---|---|
| Carrillos, Poás | |
| Sabana Redonda, Poás | |
| San Juan, Poás | |
| San Pedro, Poás | |
| San Rafael, Poás | |