20402 is the Postal Code/ZIP Code for the District of Desmonte in the Costa Rica Province of Alajuela and the Canton of San Mateo. The neighborhoods of Asentamiento IDA, Cuesta Colorada, La Unión, Patio de Agua Norte and San Juan 1 are located in Postal Code 20402.
| Postal Code | 20402 |
| Postal Code Name | Desmonte |
| Province | Alajuela Province |
| Canton | San Mateo Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 20206 20401 20502 20504 20903 |