Map
General Information
| Postal Area | East Hertfordshire |
| Postcode | SG9 9DT |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | East Hertfordshire |
| Introduction Date | 1980-01-01 |
Geographic Information
| Latitude | 51.9440700 |
| Longitude | -0.0216550 |
| Easting | 536078 |
| Northing | 229134 |
| Quality | Within the building of the matched address closest to the postcode mean |