30103 is the Postal Code/ZIP Code for the District of Carmen in the Costa Rica Province of Cartago and the Canton of Cartago. The neighborhoods of Alto de San Blas, Los Diques, San Blas, Turbina and Villa Fontana are located in Postal Code 30103.
| Postal Code | 30103 |
| Postal Code Name | Carmen |
| Province | Cartago Province |
| Canton | Cartago Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 30101 30102 30104 30108 30110 30701 |