Map
General Information
| Postal Area | Wirral |
| Postcode | CH1 1WA |
| User Type | Large (more than 25 items of mail per day) |
| Region | North West |
| Country | England |
| Local authority | Cheshire West and Chester |
| Introduction Date | 1996-06-01 |
| Termination Date | 1997-12-01 |
Geographic Information
| Latitude | 53.1893740 |
| Longitude | -2.8883940 |
| Easting | 340737 |
| Northing | 366178 |
| Quality | Postcode sector mean, (mainly PO Boxes) |