| Locality | Post Code |
|---|---|
| Ajufia, Bia West | WD |
| Akati, Bia West | WD |
| Asuanta, Bia West | WD |
| Biano, Bia West | WD |
| Debiso, Bia West | WD |
| Eduikrom, Bia West | WD |
| Esem, Bia West | WD |
| Kofikrom, Bia West | WD |
| Kwambikrom, Bia West | WD |
| Kwamteyakrom, Bia West | WD |
| Papasi, Bia West | WD |
| Samakro, Bia West | WD |
| Yametwa, Bia West | WD |
| Western North Postal Codes | |
|---|---|
| Suaman | Sefwi Wiawso |
| Sefwi Akontombra | Juabeso |
| Bodi | Bia West |
| Bia East | Aowin |