Map
General Information
| Postal Area | Buckinghamshire |
| Postcode | SL1 1JT |
| User Type | Large (more than 25 items of mail per day) |
| Region | South East |
| Country | England |
| Local authority | Slough |
| Introduction Date | 1987-04-01 |
| Termination Date | 1999-12-01 |
Geographic Information
| Latitude | 51.5077850 |
| Longitude | -0.5868380 |
| Easting | 498172 |
| Northing | 179708 |
| Quality | Postcode sector mean, (mainly PO Boxes) |