40604 is the Postal Code/ZIP Code for the District of San Francisco in the Costa Rica Province of Heredia and the Canton of San Isidro. The neighborhoods of Astillero, El Aguacate, Las Quebradas, Lourdes, Rinconada and Viento Fresco are located in Postal Code 40604.
| Postal Code | 40604 |
| Postal Code Name | San Francisco |
| Province | Heredia Province |
| Canton | San Isidro Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 40302 40307 40505 40601 40901 |