30703 is the Postal Code/ZIP Code for the District of Potrero Cerrado in the Costa Rica Province of Cartago and the Canton of Oreamuno. The neighborhoods of Ciudadela Sanabria, Cruce, El Nolazco, Fátima, Marcial Bonilla, Maya, Pisco and Santa Eduviges are located in Postal Code 30703.
| Postal Code | 30703 |
| Postal Code Name | Potrero Cerrado |
| Province | Cartago Province |
| Canton | Oreamuno Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 11105 30108 30701 30702 30705 |