{"url":"https://openpostcodes.uk/DN3","type":"district","district":"DN3","area":"DN","postcode_count":737,"councils":["Doncaster"],"sectors":[{"sector":"DN3 1","url":"https://openpostcodes.uk/DN3%201","postcode_count":215,"admin_district":"Doncaster"},{"sector":"DN3 2","url":"https://openpostcodes.uk/DN3%202","postcode_count":248,"admin_district":"Doncaster"},{"sector":"DN3 3","url":"https://openpostcodes.uk/DN3%203","postcode_count":274,"admin_district":"Doncaster"}]}