40403 is the Postal Code/ZIP Code for the District of San Juan in the Costa Rica Province of Heredia and the Canton of Santa Bárbara. The neighborhoods of Cinco Esquinas, Lotes Moreira, Lotes Sequeira and San Juan Arriba are located in Postal Code 40403.
| Postal Code | 40403 |
| Postal Code Name | San Juan |
| Province | Heredia Province |
| Canton | Santa Bárbara Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 20109 20110 40202 40401 40402 40404 40801 40802 |