| Place | Post Code |
|---|---|
| Dureno, Dureno | 210207 |
| Puerto Libre, Dureno | 210207 |
| All postal codes in Lago Agrio | |
|---|---|
| Dureno, Lago Agrio | |
| El Eno, Lago Agrio | |
| General Farfán, Lago Agrio | |
| Jambeli, Lago Agrio | |
| Nueva Loja, Lago Agrio | |
| Pacayacu, Lago Agrio | |
| Santa Cecilia, Lago Agrio | |