Map
General Information
| Postal Area | Wirral |
| Postcode | CH7 4QJ |
| User Type | Small (less than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Denbighshire |
| Introduction Date | 1980-01-01 |
Geographic Information
| Latitude | 53.0929570 |
| Longitude | -3.2199680 |
| Easting | 318400 |
| Northing | 355779 |
| Quality | Within the building of the matched address closest to the postcode mean |