| Place | Post Code |
|---|---|
| Cruce, Potrero Cerrado | 30703 |
| Maya, Potrero Cerrado | 30703 |
| Pisco, Potrero Cerrado | 30703 |
| Potrero Cerrado, Potrero Cerrado | 30703 |
| San Juan de Chicuá, Potrero Cerrado | 30703 |
| Sanabria, Potrero Cerrado | 30703 |
| All postal codes in Oreamuno | |
|---|---|
| Cipreses, Oreamuno | |
| Cot, Oreamuno | |
| Potrero Cerrado, Oreamuno | |
| San Rafael, Oreamuno | |
| Santa Rosa, Oreamuno | |