| SY16 3LB information | |
|---|---|
| Postcode | SY16 3LB |
| Outward code | SY16 |
| Place | Cefn Mawr |
| Name | Place | Postcode |
|---|---|---|
| Bronheulog, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Fairview, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Hillside, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Little Pentre, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Llys Gwyn, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Meadow View, Cefn Mawr | Cefn Mawr | SY16 3LB |
| New House, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Peniel, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Rock House, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Rose Cottage, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Springfields, Cefn Mawr | Cefn Mawr | SY16 3LB |
| Yew Tree Cottage, Cefn Mawr | Cefn Mawr | SY16 3LB |