Map
General Information
| Postal Area | Harrow |
| Postcode | HA1 4DN |
| User Type | Large (more than 25 items of mail per day) |
| Region | London |
| Country | England |
| Local authority | Harrow |
| Introduction Date | 1994-05-01 |
| Termination Date | 2000-11-01 |
| IMD 2025 | Decile 5 (most deprived = 1, least = 10) Rank 16,123 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.5837210 |
| Longitude | -0.3490540 |
| Easting | 514483 |
| Northing | 188498 |
| Quality | Postcode sector mean, (mainly PO Boxes) |