| Locality | Post Code |
|---|---|
| Owuochi, Wassa East | WZ |
| Sapongso, Wassa East | WZ |
| Sienchem, Wassa East | WZ |
| Sipakrom, Wassa East | WZ |
| Subri, Wassa East | WZ |
| Subriso, Wassa East | WZ |
| Tendruasi, Wassa East | WZ |
| Tintimshe, Wassa East | WZ |
| Tintinso, Wassa East | WZ |
| Wuwuso, Wassa East | WZ |
| Yaofiankukrom, Wassa East | WZ |