Map
General Information
| Postal Area | Hillingdon |
| Postcode | UB11 1DN |
| User Type | Large (more than 25 items of mail per day) |
| Region | London |
| Country | England |
| Local authority | Hillingdon |
| Introduction Date | 1993-08-01 |
| Termination Date | 1997-06-01 |
Geographic Information
| Latitude | 51.5095370 |
| Longitude | -0.4466010 |
| Easting | 507900 |
| Northing | 180100 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |