| SY23 4AB information | |
|---|---|
| Postcode | SY23 4AB |
| Outward code | SY23 |
| Place | Cwmystwyth |
| Name | Place | Postcode |
|---|---|---|
| Bryn Hafod, Cwmystwyth | Cwmystwyth | SY23 4AB |
| Gelmast, Cwmystwyth | Cwmystwyth | SY23 4AB |
| Nantgrafanglach, Cwmystwyth | Cwmystwyth | SY23 4AB |
| Pwllpeiran Cottages, Cwmystwyth | Cwmystwyth | SY23 4AB |
| Pwllpeiran Farm, Cwmystwyth | Cwmystwyth | SY23 4AB |