The SY20 9DN postcode was located in Gwynedd, Gwynedd postcode town, within Wales, Wales region.
It is now a terminated postcode, it was a Small User postcode introduced in 1980-01 and terminated on 1997-06.
| Name | Type |
|---|---|
| OA21CD | W00000235 |
| LSOA21CD | W01001933 |
| MSOA21CD | W02000026 |
| MSOA21 | Tywyn & Llangelynnin |
| Postcode Area | SY20 |
| Ward | Bro Dysynni |
| LTLA22 | Gwynedd |
| UTLA22 | Gwynedd |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -3.920226543690313, 52.58491666132419 ] |