Map
General Information
| Postal Area | Southend-on-Sea |
| Postcode | SS11 7QS |
| User Type | Small (less than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Chelmsford |
| Introduction Date | 1987-04-01 |
Geographic Information
| Latitude | 51.6375570 |
| Longitude | 0.5858480 |
| Easting | 579038 |
| Northing | 196361 |
| Quality | Within the building of the matched address closest to the postcode mean |