Map
General Information
| Postal Area | Southend-on-Sea |
| Postcode | SS8 9YN |
| User Type | Large (more than 25 items of mail per day) |
| Region | East of England |
| Country | England |
| Local authority | Castle Point |
| Introduction Date | 1983-03-01 |
| Termination Date | 2005-07-01 |
| IMD 2025 | Decile 5 (most deprived = 1, least = 10) Rank 16,481 of 33,755 English Indices of Deprivation 2025 |
Geographic Information
| Latitude | 51.5233730 |
| Longitude | 0.5921170 |
| Easting | 579922 |
| Northing | 183680 |
| Quality | Within the building of the matched address closest to the postcode mean |