Map
General Information
| Postal Area | Buckinghamshire |
| Postcode | SL1 1TQ |
| User Type | Large (more than 25 items of mail per day) |
| Region | South East |
| Country | England |
| Local authority | Slough |
| Introduction Date | 1990-02-01 |
Geographic Information
| Latitude | 51.5090010 |
| Longitude | -0.5944810 |
| Easting | 497639 |
| Northing | 179833 |
| Quality | Within the building of the matched address closest to the postcode mean |