| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Alto da União, Ijuí | 98713-000 |
| Postal/ZIP Codes in Barreiro, Ijuí | 98712-000 |
| Postal/ZIP Codes in Chorão, Ijuí | 98720-000 |
| Postal/ZIP Codes in Floresta, Ijuí | 98710-000 |
| Postal/ZIP Codes in Ijuí, Ijuí | 98700-000 |
| Postal/ZIP Codes in Itaí, Ijuí | 98717-000 |
| Postal/ZIP Codes in Mauá, Ijuí | 98730-000 |
| Postal/ZIP Codes in Salto, Ijuí | 98725-000 |
| Postal/ZIP Codes in Santa Lúcia, Ijuí | 98722-000 |
| Postal/ZIP Codes in Santana, Ijuí | 98728-000 |
| Postal/ZIP Codes in Santo Antônio, Ijuí | 98718-000 |