3106 is the Postal Code/ZIP Code for the of Concepción de Oriente in the El Salvador Department of La Unión and the Municipality of Concepción de Oriente.
| Postal Code | 3106 |
| Postal Code Name | Concepción de Oriente |
| Department | La Unión Department |
| Municipality | Concepción de Oriente Municipality |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 3109 3117 |