{"url":"https://openpostcodes.uk/SL3","type":"district","district":"SL3","area":"SL","postcode_count":1075,"councils":["Slough","Windsor and Maidenhead","Buckinghamshire"],"sectors":[{"sector":"SL3 0","url":"https://openpostcodes.uk/SL3%200","postcode_count":162,"admin_district":"Slough"},{"sector":"SL3 3","url":"https://openpostcodes.uk/SL3%203","postcode_count":12,"admin_district":"Slough"},{"sector":"SL3 6","url":"https://openpostcodes.uk/SL3%206","postcode_count":140,"admin_district":"Buckinghamshire"},{"sector":"SL3 7","url":"https://openpostcodes.uk/SL3%207","postcode_count":297,"admin_district":"Slough"},{"sector":"SL3 8","url":"https://openpostcodes.uk/SL3%208","postcode_count":293,"admin_district":"Slough"},{"sector":"SL3 9","url":"https://openpostcodes.uk/SL3%209","postcode_count":171,"admin_district":"Windsor and Maidenhead"}]}