{"url":"https://openpostcodes.uk/BT20","type":"district","district":"BT20","area":"BT","postcode_count":705,"councils":["Ards and North Down"],"sectors":[{"sector":"BT20 3","url":"https://openpostcodes.uk/BT20%203","postcode_count":253,"admin_district":"Ards and North Down"},{"sector":"BT20 4","url":"https://openpostcodes.uk/BT20%204","postcode_count":236,"admin_district":"Ards and North Down"},{"sector":"BT20 5","url":"https://openpostcodes.uk/BT20%205","postcode_count":180,"admin_district":"Ards and North Down"},{"sector":"BT20 9","url":"https://openpostcodes.uk/BT20%209","postcode_count":36,"admin_district":null}]}