| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Cerro Preto, Tunas | 99334-000 |
| Postal/ZIP Codes in Despraiado, Tunas | 99339-000 |
| Postal/ZIP Codes in Nossa Senhora Aparecida, Tunas | 99335-000 |
| Postal/ZIP Codes in Pedregal, Tunas | 99337-000 |
| Postal/ZIP Codes in Rincão Comprido, Tunas | 99332-000 |
| Postal/ZIP Codes in Tunas, Tunas | 99330-000 |