Map
General Information
| Postal Area | Warrington |
| Postcode | WA9 4WW |
| User Type | Large (more than 25 items of mail per day) |
| Region | North West |
| Country | England |
| Local authority | St. Helens |
| Introduction Date | 2002-09-01 |
| Termination Date | 2003-09-01 |
Geographic Information
| Latitude | 53.4319680 |
| Longitude | -2.7008330 |
| Easting | 353534 |
| Northing | 393027 |
| Quality | Imputed by ONS, by reference to surrounding postcode grid references |