20607 is the Postal Code/ZIP Code for the District of El Rosario in the Costa Rica Province of Alajuela and the Canton of Naranjo. The neighborhoods of Ciudadela Pérez, El Llano, Guapinol, Hornos and Santa Margarita are located in Postal Code 20607.
| Postal Code | 20607 |
| Postal Code Name | El Rosario |
| Province | Alajuela Province |
| Canton | Naranjo Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 20304 20307 20506 20507 20602 20702 20705 21202 |