| Locality | Postal Code |
|---|---|
| Agropeco, Doctor Raul Peña | 102202 |
| Raul Peña, Doctor Raul Peña | 102203 |
| Raul Peña Linea Primero de Marzo, Doctor Raul Peña | 102202 |
| Raul Peña Linea San Pablo, Doctor Raul Peña | 102202 |
| Raul Peña Mcal Estigarribia, Doctor Raul Peña | 102204 |
| Urbano, Doctor Raul Peña | 102201 |