Map
General Information
| Postal Area | Hillingdon |
| Postcode | UB11 1BL |
| User Type | Large (more than 25 items of mail per day) |
| Region | London |
| Country | England |
| Local authority | Hillingdon |
| Introduction Date | 1999-12-01 |
| Termination Date | 2002-01-01 |
Geographic Information
| Latitude | 51.5097480 |
| Longitude | -0.4347340 |
| Easting | 508723 |
| Northing | 180141 |
| Quality | Within the building of the matched address closest to the postcode mean |