Map
General Information
| Postal Area | Harrow |
| Postcode | HA1 1SN |
| User Type | Large (more than 25 items of mail per day) |
| Region | London |
| Country | England |
| Local authority | Harrow |
| Introduction Date | 1983-03-01 |
| Termination Date | 1986-12-01 |
| IMD 2025 | Decile 3 (most deprived = 1, least = 10) Rank 7,774 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.5844310 |
| Longitude | -0.3343490 |
| Easting | 515500 |
| Northing | 188600 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |