Map
General Information
| Postal Area | Gwynedd |
| Postcode | LL11 3UU |
| User Type | Small (less than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Wrexham |
| Introduction Date | 1980-01-01 |
| Termination Date | 1999-12-01 |
Geographic Information
| Latitude | 53.0603110 |
| Longitude | -3.0810320 |
| Easting | 327649 |
| Northing | 351998 |
| Quality | Approximate to within 50 metres |