Map
General Information
| Postal Area | Wirral |
| Postcode | CH7 1ZA |
| User Type | Large (more than 25 items of mail per day) |
| Region | — |
| Country | Wales |
| Local authority | Flintshire |
| Introduction Date | 1998-12-01 |
| Termination Date | 1999-12-01 |
Geographic Information
| Latitude | 53.1660590 |
| Longitude | -3.1440160 |
| Easting | 323616 |
| Northing | 363827 |
| Quality | Postcode sector mean, (mainly PO Boxes) |