{"url":"https://openpostcodes.uk/SM4","type":"district","district":"SM4","area":"SM","postcode_count":582,"councils":["Merton","Sutton"],"sectors":[{"sector":"SM4 4","url":"https://openpostcodes.uk/SM4%204","postcode_count":178,"admin_district":"Merton"},{"sector":"SM4 5","url":"https://openpostcodes.uk/SM4%205","postcode_count":166,"admin_district":"Merton"},{"sector":"SM4 6","url":"https://openpostcodes.uk/SM4%206","postcode_count":211,"admin_district":"Merton"},{"sector":"SM4 9","url":"https://openpostcodes.uk/SM4%209","postcode_count":27,"admin_district":"Merton"}]}