Map
General Information
| Postal Area | Gwynedd |
| Postcode | LL59 5QU |
| User Type | Large (more than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Isle of Anglesey |
| Introduction Date | 1986-04-01 |
| Termination Date | 1999-06-01 |
Geographic Information
| Latitude | 53.2348540 |
| Longitude | -4.1585790 |
| Easting | 256027 |
| Northing | 373044 |
| Quality | Postcode sector mean, (mainly PO Boxes) |