| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ilha dos Marinheiros, Rio Grande | 96223-000 |
| Postal/ZIP Codes in Rio Grande, Rio Grande | 96200, 96201, 96202, 96203, 96204, 96205, 96206, 96207, 96208, 96209, 96210, 96211, 96212, 96213, 96214, 96215, 96216, 96217, 96219, 96220, 96222, 96224 |
| Postal/ZIP Codes in Taim, Rio Grande | 96221-000 |