21101 is the Postal Code/ZIP Code for the District of Zarcero in the Costa Rica Province of Alajuela and the Canton of Zarcero. The neighborhoods of Bolaños, Cabañas, Cantarrana, Chicho, El Espino, El INVU, Los Alpes, Parcelas de Palmira, San Pablo and Santa Teresita are located in Postal Code 21101.
| Postal Code | 21101 |
| Postal Code Name | Zarcero |
| Province | Alajuela Province |
| Canton | Zarcero Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 20603 20604 21102 21104 21105 |