Map
General Information
| Postal Area | Hillingdon |
| Postcode | UB11 1DL |
| 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 | 2001-12-01 |
Geographic Information
| Latitude | 51.5112610 |
| Longitude | -0.4478250 |
| Easting | 507811 |
| Northing | 180290 |
| Quality | Within the building of the matched address closest to the postcode mean |