Map
General Information
| Postal Area | Harrow |
| Postcode | HA1 3AQ |
| User Type | Small (less than 25 items of mail per day) |
| Region | London |
| Country | England |
| Local authority | Harrow |
| Introduction Date | 1980-01-01 |
Geographic Information
| Latitude | 51.5776630 |
| Longitude | -0.3352030 |
| Easting | 515458 |
| Northing | 187846 |
| Quality | Within the building of the matched address closest to the postcode mean |