21303 is the Postal Code/ZIP Code for the District of San José o Pizote in the Costa Rica Province of Alajuela and the Canton of Upala. The neighborhoods of Barrio Briceño, Barrio La Unión, Barrio Las Marías, Barrio Líbano, Caño Blanco, Colonia San José, El Roble, Jomusa, Loma Blanca, Loma Blanca, Los Ledezma, Los Ángeles and Nazareno are located in Postal Code 21303.
| Postal Code | 21303 |
| Postal Code Name | San José o Pizote |
| Province | Alajuela Province |
| Canton | Upala Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 21301 21302 21305 21306 21308 51002 |