| Place | Post Code |
|---|---|
| Bajo Poás, Carrillos | 20804 |
| Carrillos, Carrillos | 20804 |
| Platanillo, Carrillos | 20804 |
| Reyes, Carrillos | 20804 |
| Salto Carrillos, Carrillos | 20804 |
| Sonora, Carrillos | 20804 |
| All postal codes in Poás | |
|---|---|
| Carrillos, Poás | |
| Sabana Redonda, Poás | |
| San Juan, Poás | |
| San Pedro, Poás | |
| San Rafael, Poás | |