Map
General Information
| Postal Area | Gwynedd |
| Postcode | LL11 3SY |
| User Type | Small (less than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Wrexham |
| Introduction Date | 1980-01-01 |
Geographic Information
| Latitude | 53.0531920 |
| Longitude | -3.0710370 |
| Easting | 328307 |
| Northing | 351196 |
| Quality | Within the building of the matched address closest to the postcode mean |