| Place | Post Code |
|---|---|
| Balsa, Concepción | 20505 |
| Calle Garita, Concepción | 20505 |
| Concepción, Concepción | 20505 |
| Coyoles, Concepción | 20505 |
| Pan de Azúcar, Concepción | 20505 |
| Río Grande, Concepción | 20505 |
| Tornos, Concepción | 20505 |
| All postal codes in Atenas | |
|---|---|
| Atenas, Atenas | |
| Concepción, Atenas | |
| Escobal, Atenas | |
| Jesús, Atenas | |
| Mercedes, Atenas | |
| San Isidro, Atenas | |
| San José, Atenas | |
| Santa Eulalia, Atenas | |