| SY23 5HZ information | |
|---|---|
| Postcode | SY23 5HZ |
| Outward code | SY23 |
| Place | Llanon |
| Name | Place | Postcode |
|---|---|---|
| Ewyn y Don, Llanon | Llanon | SY23 5HZ |
| Frondolau, Llanon | Llanon | SY23 5HZ |
| Pendre Villa, Llanon | Llanon | SY23 5HZ |
| Tanyfron, Llanon | Llanon | SY23 5HZ |
| Y Fron, Llanon | Llanon | SY23 5HZ |