| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Barra do Piraí, Barra do Piraí | 27110, 27113, 27115, 27120, 27123, 27130, 27135, 27140, 27143, 27145, 27150 |
| Postal/ZIP Codes in Califórnia da Barra, Barra do Piraí | 27163-000 |
| Postal/ZIP Codes in Dorândia, Barra do Piraí | 27160-000 |
| Postal/ZIP Codes in Ipiabas, Barra do Piraí | 27170-000 |
| Postal/ZIP Codes in São José do Turvo, Barra do Piraí | 27165-000 |
| Postal/ZIP Codes in Vargem Alegre, Barra do Piraí | 27155-000 |