3405 is the Postal Code/ZIP Code for the of Concepción Batres in the El Salvador Department of Usulután and the Municipality of Concepción Batres.
| Postal Code | 3405 |
| Postal Code Name | Concepción Batres |
| Department | Usulután Department |
| Municipality | Concepción Batres Municipality |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 3309 3401 3407 3411 |