20506 is the Postal Code/ZIP Code for the District of San José in the Costa Rica Province of Alajuela and the Canton of Atenas. The neighborhoods of Alto Cima, El Vainilla and Legua are located in Postal Code 20506.
| Postal Code | 20506 |
| Postal Code Name | San José |
| Province | Alajuela Province |
| Canton | Atenas Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 20503 20504 20507 20607 20704 20705 |