| Locality | Post Code |
|---|---|
| Abotia, Aowin | WA |
| Achiekrom, Aowin | WA |
| Achimfu, Aowin | WA |
| Adaka, Aowin | WA |
| Adanabra, Aowin | WA |
| Ahuayen, Aowin | WA |
| Ajianso, Aowin | WA |
| Ajum, Aowin | WA |
| Akabuka, Aowin | WA |
| Akunso, Aowin | WA |
| Amania, Aowin | WA |
| Ampeni, Aowin | WA |
| Asamang, Aowin | WA |
| Asamkrom, Aowin | WA |
| Asempaneye, Aowin | WA |
| Banaso, Aowin | WA |
| Bandawaso, Aowin | WA |
| Boasi, Aowin | WA |
| Boinso, Aowin | WA |
| Dentibaso, Aowin | WA |
| Disuanu, Aowin | WA |
| Domiabra, Aowin | WA |
| Donikrom, Aowin | WA |
| Eibokrom, Aowin | WA |
| Enchi, Aowin | WA |
| Esileso, Aowin | WA |
| Western North Postal Codes | |
|---|---|
| Suaman | Sefwi Wiawso |
| Sefwi Akontombra | Juabeso |
| Bodi | Bia West |
| Bia East | Aowin |