Map
General Information
| Postal Area | Hillingdon |
| Postcode | UB11 1DB |
| User Type | Small (less than 25 items of mail per day) |
| Region | London |
| Country | England |
| Local authority | Hillingdon |
| Introduction Date | 1991-09-01 |
Geographic Information
| Latitude | 51.5112530 |
| Longitude | -0.4478400 |
| Easting | 507810 |
| Northing | 180289 |
| Quality | Within the building of the matched address closest to the postcode mean |