10305 is the Postal Code/ZIP Code for the District of San Antonio in the Costa Rica Province of San José and the Canton of Desamparados. The neighborhoods of Barrio Rotonda, Barrio Río Damas, Churuca, Huetares, La Constancia, Las Acacias, Plazoleta (Lourdes), Pueblo Nuevo and Solar are located in Postal Code 10305.
| Postal Code | 10305 |
| Postal Code Name | San Antonio |
| Province | San José Province |
| Canton | Desamparados Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 10106 10301 10310 10312 11801 11804 30308 |