Map
General Information
| Postal Area | Warrington |
| Postcode | WA9 4EF |
| User Type | Small (less than 25 items of mail per day) |
| Region | North West |
| Country | England |
| Local authority | St. Helens |
| Introduction Date | 2003-03-01 |
Geographic Information
| Latitude | 53.4334320 |
| Longitude | -2.6916900 |
| Easting | 354143 |
| Northing | 393184 |
| Quality | Within the building of the matched address closest to the postcode mean |