Map
General Information
| Postal Area | East Hertfordshire |
| Postcode | SG1 9SA |
| User Type | Small (less than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Stevenage |
| Introduction Date | 2005-05-01 |
Geographic Information
| Latitude | 51.9011770 |
| Longitude | -0.2032340 |
| Easting | 523716 |
| Northing | 224040 |
| Quality | Within the building of the matched address closest to the postcode mean |