| Locality | Postal Code |
|---|---|
| Barrio 5, San Bernardino | 031602 |
| Casco Historico, San Bernardino | 031602 |
| Ciervo Kua, San Bernardino | 031606 |
| Country Club Sol de Verano, San Bernardino | 031604 |
| Cristobal Colon, San Bernardino | 031601 |
| Heriberta Matiauda, San Bernardino | 031605 |
| Jardin, San Bernardino | 031603 |
| Nuestra Señora de la Asunción, San Bernardino | 031602 |
| Pirayu-I, San Bernardino | 031608 |
| San Miguel, San Bernardino | 031602 |
| Santa Clara Urbanizacion, San Bernardino | 031602 |
| Santa Rosalina, San Bernardino | 031602 |
| Santo Domingo, San Bernardino | 031603 |
| Villa Delfina, San Bernardino | 031603 |
| Villa Real, San Bernardino | 031609 |
| Yby Anguy Primera, San Bernardino | 031602 |
| Yby Anguy Segunda, San Bernardino | 031603 |
| Yvu, San Bernardino | 031607 |
| Yvy Anguy Segunda, San Bernardino | 031603, 031608 |