11304 is the Postal Code/ZIP Code for the District of León XIII in the Costa Rica Province of San José and the Canton of Tibás.
| Postal Code | 11304 |
| Postal Code Name | León XIII |
| Province | San José Province |
| Canton | Tibás Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 10107 11305 40306 |