Map
General Information
| Postal Area | Gwynedd |
| Postcode | LL63 5UJ |
| User Type | Small (less than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Isle of Anglesey |
| Introduction Date | 1998-06-01 |
| Termination Date | 1998-12-01 |
Geographic Information
| Latitude | 53.2569820 |
| Longitude | -4.4359680 |
| Easting | 237600 |
| Northing | 376100 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |