Map
General Information
| Postal Area | Gwynedd |
| Postcode | LL12 0ZJ |
| User Type | Large (more than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Wrexham |
| Introduction Date | 1999-06-01 |
| Termination Date | 2000-06-01 |
Geographic Information
| Latitude | 53.0998820 |
| Longitude | -2.9805220 |
| Easting | 334445 |
| Northing | 356303 |
| Quality | Postcode sector mean, (mainly PO Boxes) |