Map
General Information
| Postal Area | Buckinghamshire |
| Postcode | HP1 1YJ |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Dacorum |
| Introduction Date | 1994-05-01 |
| Termination Date | 2007-09-01 |
Geographic Information
| Latitude | 51.7484000 |
| Longitude | -0.4698850 |
| Easting | 505728 |
| Northing | 206630 |
| Quality | Within the building of the matched address closest to the postcode mean |