| SY23 4HG information | |
|---|---|
| Postcode | SY23 4HG |
| Outward code | SY23 |
| Place | Trefenter |
| Name | Place | Postcode |
|---|---|---|
| Garreg y Ddoll, Trefenter | Trefenter | SY23 4HG |
| Gwarolchfa, Trefenter | Trefenter | SY23 4HG |
| Hafod Ronwn, Trefenter | Trefenter | SY23 4HG |
| Lluest, Trefenter | Trefenter | SY23 4HG |
| Rhosfach, Trefenter | Trefenter | SY23 4HG |
| Rhos-yr-Olchfa, Trefenter | Trefenter | SY23 4HG |
| Talwrncoch, Trefenter | Trefenter | SY23 4HG |
| Talwrnhogfaen, Trefenter | Trefenter | SY23 4HG |
| Tyn y Mynydd, Trefenter | Trefenter | SY23 4HG |