| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Cruzeirinho, Icó | 63440-000 |
| Postal/ZIP Codes in Icó, Icó | 63430-000 |
| Postal/ZIP Codes in Icozinho, Icó | 63445-000 |
| Postal/ZIP Codes in Lima Campos, Icó | 63435-000 |
| Postal/ZIP Codes in Pedrinhas, Icó | 63455-000 |
| Postal/ZIP Codes in São Vicente, Icó | 63450-000 |