{"url":"https://openpostcodes.uk/SO21","type":"district","district":"SO21","area":"SO","postcode_count":743,"councils":["Winchester","Test Valley","Basingstoke and Deane","Eastleigh"],"sectors":[{"sector":"SO21 1","url":"https://openpostcodes.uk/SO21%201","postcode_count":299,"admin_district":"Winchester"},{"sector":"SO21 2","url":"https://openpostcodes.uk/SO21%202","postcode_count":201,"admin_district":"Winchester"},{"sector":"SO21 3","url":"https://openpostcodes.uk/SO21%203","postcode_count":243,"admin_district":"Winchester"}]}