Map
General Information
| Postal Area | East Hertfordshire |
| Postcode | SG11 1SB |
| User Type | Small (less than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | East Hertfordshire |
| Introduction Date | 2005-09-01 |
Geographic Information
| Latitude | 51.8858560 |
| Longitude | 0.0085270 |
| Easting | 538331 |
| Northing | 222717 |
| Quality | Within the building of the matched address closest to the postcode mean |