Map
General Information
| Postal Area | Warrington |
| Postcode | WA1 1SW |
| User Type | Large (more than 25 items of mail per day) |
| Region | North West |
| Country | England |
| Local authority | Warrington |
| Introduction Date | 1991-01-01 |
| Termination Date | 1991-12-01 |
| IMD 2025 | Decile 3 (most deprived = 1, least = 10) Rank 7,966 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 53.3891370 |
| Longitude | -2.5983940 |
| Easting | 360300 |
| Northing | 388200 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |