| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Águas Claras, Mafra | 89320-000 |
| Postal/ZIP Codes in Bela Vista do Sul, Mafra | 89310-000 |
| Postal/ZIP Codes in Mafra, Mafra | 89300, 89302, 89303, 89304, 89306, 89307 |
| Postal/ZIP Codes in Rio Preto do Sul, Mafra | 89315-000 |