{"url":"https://openpostcodes.uk/WD19","type":"district","district":"WD19","area":"WD","postcode_count":692,"councils":["Three Rivers","Watford","Hertsmere"],"sectors":[{"sector":"WD19 4","url":"https://openpostcodes.uk/WD19%204","postcode_count":228,"admin_district":"Watford"},{"sector":"WD19 5","url":"https://openpostcodes.uk/WD19%205","postcode_count":98,"admin_district":"Three Rivers"},{"sector":"WD19 6","url":"https://openpostcodes.uk/WD19%206","postcode_count":181,"admin_district":"Three Rivers"},{"sector":"WD19 7","url":"https://openpostcodes.uk/WD19%207","postcode_count":185,"admin_district":"Three Rivers"}]}