20804 is the Postal Code/ZIP Code for the District of Carrillos in the Costa Rica Province of Alajuela and the Canton of Poás. The neighborhoods of Bajo Barahona, Cuatro Esquinas, Salto Carrillos and Sonora are located in Postal Code 20804.
| Postal Code | 20804 |
| Postal Code Name | Carrillos |
| Province | Alajuela Province |
| Canton | Poás Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 20107 20112 20305 20801 |