Map
General Information
| Postal Area | Gwynedd |
| Postcode | LL11 5ZH |
| User Type | Large (more than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Wrexham |
| Introduction Date | 1997-12-01 |
| Termination Date | 1998-12-01 |
Geographic Information
| Latitude | 53.0747750 |
| Longitude | -3.0640790 |
| Easting | 328809 |
| Northing | 353590 |
| Quality | Postcode sector mean, (mainly PO Boxes) |