Map
General Information
| Postal Area | Harrow |
| Postcode | HA1 3SL |
| User Type | Large (more than 25 items of mail per day) |
| Region | London |
| Country | England |
| Local authority | Harrow |
| Introduction Date | 1990-02-01 |
| Termination Date | 1995-01-01 |
| IMD 2025 | Decile 5 (most deprived = 1, least = 10) Rank 15,197 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.5636770 |
| Longitude | -0.3293360 |
| Easting | 515900 |
| Northing | 186300 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |