Total 16 Districts found in postal code area of CO, United Kingdom. Each district consists of multiple postal codes which you can browse by clicking a particular district link from below table.
Postal Code Area:
Cities Under Postal-Code Area CO:
Colchester, Sudbury, Mistley, Harwich, Frinton and Walton, Frinton and Walton, Clacton-on-Sea, Little Clacton, Colchester, Colchester, Colchester, Layer Breton, Fordham, Elmstead, Bures Hamlet, Sible Hedingham,