Map
General Information
| Postal Area | Warrington |
| Postcode | WA1 1SY |
| User Type | Large (more than 25 items of mail per day) |
| Region | North West |
| Country | England |
| Local authority | Warrington |
| Introduction Date | 1986-07-01 |
| Termination Date | 2015-08-01 |
| IMD 2025 | Decile 1 (most deprived = 1, least = 10) Rank 2,887 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 53.3885050 |
| Longitude | -2.5971220 |
| Easting | 360384 |
| Northing | 388129 |
| Quality | Within the building of the matched address closest to the postcode mean |