Map
General Information
| Postal Area | Southend-on-Sea |
| Postcode | SS8 8YY |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Castle Point |
| Introduction Date | 1999-06-01 |
| Termination Date | 2001-04-01 |
| IMD 2025 | Decile 4 (most deprived = 1, least = 10) Rank 11,957 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.5254890 |
| Longitude | 0.6041750 |
| Easting | 580750 |
| Northing | 183945 |
| Quality | Postcode sector mean, (mainly PO Boxes) |