{"url":"https://openpostcodes.uk/SL7","type":"district","district":"SL7","area":"SL","postcode_count":694,"councils":["Buckinghamshire","Windsor and Maidenhead"],"sectors":[{"sector":"SL7 1","url":"https://openpostcodes.uk/SL7%201","postcode_count":264,"admin_district":"Buckinghamshire"},{"sector":"SL7 2","url":"https://openpostcodes.uk/SL7%202","postcode_count":204,"admin_district":"Buckinghamshire"},{"sector":"SL7 3","url":"https://openpostcodes.uk/SL7%203","postcode_count":220,"admin_district":"Buckinghamshire"},{"sector":"SL7 9","url":"https://openpostcodes.uk/SL7%209","postcode_count":6,"admin_district":"Buckinghamshire"}]}