21305 is the Postal Code/ZIP Code for the District of Delicias in the Costa Rica Province of Alajuela and the Canton of Upala.
| Postal Code | 21305 |
| Postal Code Name | Delicias |
| Province | Alajuela Province |
| Canton | Upala Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 21301 21303 21307 |