Map
General Information
| Postal Area | Southend-on-Sea |
| Postcode | SS1 1FW |
| User Type | Small (less than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Southend-on-Sea |
| Introduction Date | 2021-08-01 |
Geographic Information
| Latitude | 51.5403940 |
| Longitude | 0.7098050 |
| Easting | 588013 |
| Northing | 185868 |
| Quality | Within the building of the matched address closest to the postcode mean |