Map
General Information
| Postal Area | Wirral |
| Postcode | CH1 1AT |
| User Type | Large (more than 25 items of mail per day) |
| Region | North West |
| Country | England |
| Local authority | Cheshire West and Chester |
| Introduction Date | 1991-01-01 |
| Termination Date | 2007-05-01 |
Geographic Information
| Latitude | 53.1901300 |
| Longitude | -2.8882000 |
| Easting | 340751 |
| Northing | 366262 |
| Quality | Within the building of the matched address closest to the postcode mean |