| SY21 8SZ Information | |
|---|---|
| Postleitzahl | SY21 8SZ |
| Postleitzahl-Gebiete | SY21 |
| Platz | Cefn |
| Name | Platz | Postleitzahl |
|---|---|---|
| Awelon, Cefn | Cefn | SY21 8SZ |
| Buttington Quarry, Cefn | Cefn | SY21 8SZ |
| Cefn House, Cefn | Cefn | SY21 8SZ |
| Lower Cefn Farm, Cefn | Cefn | SY21 8SZ |
| Oak Cottage, Cefn | Cefn | SY21 8SZ |
| Plas y Don, Cefn | Cefn | SY21 8SZ |
| Tassadon, Cefn | Cefn | SY21 8SZ |
| Trewern Villa, Cefn | Cefn | SY21 8SZ |
| Ty Coch, Cefn | Cefn | SY21 8SZ |
| Upper Cefn Cottage, Cefn | Cefn | SY21 8SZ |
| Wallers, Cefn | Cefn | SY21 8SZ |