20805 is the Postal Code/ZIP Code for the District of Sabana Redonda in the Costa Rica Province of Alajuela and the Canton of Poás.
| Postal Code | 20805 |
| Postal Code Name | Sabana Redonda |
| Province | Alajuela Province |
| Canton | Poás Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 20107 20114 20801 20802 21203 |