Map
General Information
| Postal Area | Buckinghamshire |
| Postcode | SL1 1QJ |
| User Type | Small (less than 25 items of mail per day) |
| Region | South East |
| Country | England |
| Local authority | Slough |
| Introduction Date | 1990-02-01 |
Geographic Information
| Latitude | 51.5054280 |
| Longitude | -0.5889430 |
| Easting | 498031 |
| Northing | 179443 |
| Quality | Within the building of the matched address closest to the postcode mean |