| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Cadeadinho, Irati | 84518-000 |
| Postal/ZIP Codes in Gonçalves Júnior, Irati | 84507-000 |
| Postal/ZIP Codes in Guamirim, Irati | 84510-000 |
| Postal/ZIP Codes in Irati, Irati | 84500, 84502, 84503, 84504, 84505, 84506, 84507, 84508 |
| Postal/ZIP Codes in Itapara, Irati | 84515-000 |