| Place | Postal Code |
|---|---|
| Assis, Crateús | 63723-000 |
| Crateús, Crateús | 63700, 63701, 63702, 63703, 63704, 63705, 63706, 63707, 63708, 63710, 63715, 63725 |
| Curral Velho, Crateús | 63716-000 |
| Ibiapaba, Crateús | 63725-000 |
| Irapuã, Crateús | 63728-000 |
| Lagoa das Pedras, Crateús | 63714-000 |
| Montenebo, Crateús | 63715-000 |
| Oiticica, Crateús | 63730-000 |
| Poti, Crateús | 63720-000 |
| Realejo, Crateús | 63736-000 |
| Santana, Crateús | 63735-000 |
| Santo Antônio, Crateús | 63712-000 |
| Tucuns, Crateús | 63710-000 |