Map
General Information
| Postal Area | Buckinghamshire |
| Postcode | HP11 1SN |
| User Type | Small (less than 25 items of mail per day) |
| Region | South East |
| Country | England |
| Local authority | Buckinghamshire |
| Introduction Date | 1980-01-01 |
Geographic Information
| Latitude | 51.6160870 |
| Longitude | -0.7183770 |
| Easting | 488831 |
| Northing | 191584 |
| Quality | Within the building of the matched address closest to the postcode mean |