CO4
Postcode district1,193 live postcodes: 1,176 in Colchester, 17 in Tendring.
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 Colchester, which holds 99% of CO4’s postcodes. Open the map at CO4 for neighbourhoods and points. Open the map at CO4
Deprivation by neighbourhood
English Indices of Deprivation 2025
Most deprived 10%Least
11 of Colchester’s 117 neighbourhoods are in England’s most deprived 20%.
Colchester, the council that holds 99% of CO4
Councils in CO4
- Colchester1176 postcodes
- Tendring17 postcodes