40603 is the Postal Code/ZIP Code for the District of Concepción in the Costa Rica Province of Heredia and the Canton of San Isidro. The neighborhoods of Caricias, Chaves, María Auxiliadora and Mercedes are located in Postal Code 40603.
| Postal Code | 40603 |
| Postal Code Name | Concepción |
| Province | Heredia Province |
| Canton | San Isidro Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 40105 40505 40601 40602 |