21204 is the Postal Code/ZIP Code for the District of San Pedro in the Costa Rica Province of Alajuela and the Canton of Sarchí. The neighborhoods of Bajo Las Latas, Barrio Nataniel Arias, Cinco Manzanas, La Concha, Pueblo Seco and Talolinga are located in Postal Code 21204.
| Postal Code | 21204 |
| Postal Code Name | San Pedro |
| Province | Alajuela Province |
| Canton | Sarchí Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 20308 21201 21202 21203 |