30503 is the Postal Code/ZIP Code for the District of Peralta in the Costa Rica Province of Cartago and the Canton of Turrialba.
| Postal Code | 30503 |
| Postal Code Name | Peralta |
| Province | Cartago Province |
| Canton | Turrialba Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 30505 30506 30510 70301 70303 |