10501 is the Postal Code/ZIP Code for the District of San Marcos in the Costa Rica Province of San José and the Canton of Tarrazú. The neighborhoods of Bajo Canet, Bajo San Juan, Barrio Llano de Piedra, Corea, El Carmen, El Estadio, El Rodeo, El Sitio, Guadalupe, I Griega, La Cruz, La Juanita, La Pastora, La Placa, La Sabana, Las 3 Marías, Las Brisas, Las Rositas, Los Gutiérrez, Los Ángeles, Lourdes, María Auxiliadora, Salado, San Cayetano, San Guillermo, San Luis, San Pedro, Santa Cecilia and Villa Bonita are located in Postal Code 10501.
| Postal Code | 10501 |
| Postal Code Name | San Marcos |
| Province | San José Province |
| Canton | Tarrazú Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 10502 11701 11702 12001 12005 |