Map
General Information
| Postal Area | Warrington |
| Postcode | WA1 1NJ |
| User Type | Small (less than 25 items of mail per day) |
| Region | North West |
| Country | England |
| Local authority | Warrington |
| Introduction Date | 1980-01-01 |
| Termination Date | 2009-06-01 |
| IMD 2025 | Decile 1 (most deprived = 1, least = 10) Rank 2,887 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 53.3884360 |
| Longitude | -2.5982640 |
| Easting | 360308 |
| Northing | 388122 |
| Quality | Within the building of the matched address closest to the postcode mean |