10803 is the Postal Code/ZIP Code for the District of Calle Blancos in the Costa Rica Province of San José and the Canton of Goicoechea. The neighborhoods of El Ciprés, El Encanto, Esquivel Bonilla, La Conejera, Los Pinos, Lotes Volio, Montelimar, San Antonio, San Gabriel and Santo Tomás are located in Postal Code 10803.
| Postal Code | 10803 |
| Postal Code Name | Calle Blancos |
| Province | San José Province |
| Canton | Goicoechea Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 10801 10802 11302 11303 11401 |