Map
General Information
| Postal Area | Buckinghamshire |
| Postcode | SL1 1YW |
| User Type | Small (less than 25 items of mail per day) |
| Region | South East |
| Country | England |
| Local authority | Slough |
| Introduction Date | 1995-01-01 |
Geographic Information
| Latitude | 51.5084930 |
| Longitude | -0.5865250 |
| Easting | 498191 |
| Northing | 179787 |
| Quality | Within the building of the matched address closest to the postcode mean |