20105 is the Postal Code/ZIP Code for the District of Guácima in the Costa Rica Province of Alajuela and the Canton of Alajuela. The neighborhoods of Bajo Tejar, El Bajo, El Cacao, El Coco, La Cañada, La Guácima Abajo, La Guácima Arriba, Las Vueltas, Nuestro Amo, Rincón Chiquito, Rincón Herrera and Rincón Monge are located in Postal Code 20105.
| Postal Code | 20105 |
| Postal Code Name | Guácima |
| Province | Alajuela Province |
| Canton | Alajuela Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 10701 20104 20108 20109 20111 |