SA4
Postcode district1,150 live postcodes: 1,059 in Swansea, 91 in Carmarthenshire.
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 Swansea, which holds 92% of SA4’s postcodes. Open the map at SA4 for neighbourhoods and points. Open the map at SA4
Deprivation by neighbourhood
Welsh Index of Multiple Deprivation 2025
Most deprived 10%Least
34 of Swansea’s 150 neighbourhoods are in Wales’s most deprived 20%.
Swansea, the council that holds 92% of SA4
Councils in SA4
- Swansea1059 postcodes
- Carmarthenshire91 postcodes