| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Erval Grande, Erval Grande | 99750-000 |
| Postal/ZIP Codes in Goio-En, Erval Grande | 99752-000 |
| Postal/ZIP Codes in Pinhalzinho, Erval Grande | 99754-000 |
| Postal/ZIP Codes in Santana, Erval Grande | 99756-000 |
| Postal/ZIP Codes in Sete de Setembro, Erval Grande | 99758-000 |