{"url":"https://openpostcodes.uk/DA3","type":"district","district":"DA3","area":"DA","postcode_count":354,"councils":["Sevenoaks","Dartford","Gravesham"],"sectors":[{"sector":"DA3 7","url":"https://openpostcodes.uk/DA3%207","postcode_count":178,"admin_district":"Dartford"},{"sector":"DA3 8","url":"https://openpostcodes.uk/DA3%208","postcode_count":170,"admin_district":"Sevenoaks"},{"sector":"DA3 9","url":"https://openpostcodes.uk/DA3%209","postcode_count":6,"admin_district":"Sevenoaks"}]}