Map
General Information
| Postal Area | Southend-on-Sea |
| Postcode | SS99 1AZ |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Southend-on-Sea |
| Introduction Date | 1995-01-01 |
| Termination Date | 1996-06-01 |
Geographic Information
| Latitude | 51.5422340 |
| Longitude | 0.7098130 |
| Easting | 588008 |
| Northing | 186073 |
| Quality | Postcode terminated prior to Gridlink® initiative, last known ONS postcode grid reference |