SS3
Postcode district609 live postcodes: 403 in Southend-on-Sea, 206 in Rochford.
A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Southend-on-Sea, which holds 66% of SS3’s postcodes. Open the map at SS3 for neighbourhoods and points. Open the map at SS3
Deprivation by neighbourhood
English Indices of Deprivation 2025
Most deprived 10%Least
25 of Southend-on-Sea’s 108 neighbourhoods are in England’s most deprived 20%.
Southend-on-Sea, the council that holds 66% of SS3
Councils in SS3
- Southend-on-Sea403 postcodes
- Rochford206 postcodes