| SY23 4TR information | |
|---|---|
| Postcode | SY23 4TR |
| Outward code | SY23 |
| Place | Blaenpennal |
| Name | Place | Postcode |
|---|---|---|
| Bryngwyn, Blaenpennal | Blaenpennal | SY23 4TR |
| Cyrtau, Blaenpennal | Blaenpennal | SY23 4TR |
| Dolfach, Blaenpennal | Blaenpennal | SY23 4TR |
| Dolgeiniog, Blaenpennal | Blaenpennal | SY23 4TR |
| Fronaeron, Blaenpennal | Blaenpennal | SY23 4TR |
| Gwelfro, Blaenpennal | Blaenpennal | SY23 4TR |
| Llain, Blaenpennal | Blaenpennal | SY23 4TR |
| Parth y Barcud, Blaenpennal | Blaenpennal | SY23 4TR |
| Pengarreg, Blaenpennal | Blaenpennal | SY23 4TR |
| Tangarreg Isaf, Blaenpennal | Blaenpennal | SY23 4TR |
| Tangarreg School House, Blaenpennal | Blaenpennal | SY23 4TR |