{"url":"https://openpostcodes.uk/WD23","type":"district","district":"WD23","area":"WD","postcode_count":774,"councils":["Hertsmere","Watford","Harrow"],"sectors":[{"sector":"WD23 1","url":"https://openpostcodes.uk/WD23%201","postcode_count":222,"admin_district":"Hertsmere"},{"sector":"WD23 2","url":"https://openpostcodes.uk/WD23%202","postcode_count":213,"admin_district":"Hertsmere"},{"sector":"WD23 3","url":"https://openpostcodes.uk/WD23%203","postcode_count":157,"admin_district":"Hertsmere"},{"sector":"WD23 4","url":"https://openpostcodes.uk/WD23%204","postcode_count":158,"admin_district":"Hertsmere"},{"sector":"WD23 9","url":"https://openpostcodes.uk/WD23%209","postcode_count":24,"admin_district":"Hertsmere"}]}