Map
General Information
| Postal Area | Gwynedd |
| Postcode | LL65 4YS |
| User Type | Large (more than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Isle of Anglesey |
| Introduction Date | 1982-03-01 |
| Termination Date | 1985-12-01 |
Geographic Information
| Latitude | 53.3134170 |
| Longitude | -4.5322650 |
| Easting | 231400 |
| Northing | 382600 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |