| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Arroio Canoas, Barão | 95733-000 |
| Postal/ZIP Codes in Barão, Barão | 95730-000 |
| Postal/ZIP Codes in Francesa Alta, Barão | 95731-000 |
| Postal/ZIP Codes in General Neto, Barão | 95734-000 |
| Postal/ZIP Codes in Linha Francesa Alta, Barão | 95732-000 |