{"url":"https://openpostcodes.uk/SE21","type":"district","district":"SE21","area":"SE","postcode_count":295,"councils":["Southwark","Lambeth"],"sectors":[{"sector":"SE21 7","url":"https://openpostcodes.uk/SE21%207","postcode_count":92,"admin_district":"Southwark"},{"sector":"SE21 8","url":"https://openpostcodes.uk/SE21%208","postcode_count":191,"admin_district":"Lambeth"},{"sector":"SE21 9","url":"https://openpostcodes.uk/SE21%209","postcode_count":12,"admin_district":"Southwark"}]}