{"url":"https://openpostcodes.uk/CM3","type":"district","district":"CM3","area":"CM","postcode_count":1589,"councils":["Chelmsford","Maldon","Braintree","Uttlesford"],"sectors":[{"sector":"CM3 1","url":"https://openpostcodes.uk/CM3%201","postcode_count":215,"admin_district":"Chelmsford"},{"sector":"CM3 2","url":"https://openpostcodes.uk/CM3%202","postcode_count":234,"admin_district":"Braintree"},{"sector":"CM3 3","url":"https://openpostcodes.uk/CM3%203","postcode_count":207,"admin_district":"Chelmsford"},{"sector":"CM3 4","url":"https://openpostcodes.uk/CM3%204","postcode_count":244,"admin_district":"Chelmsford"},{"sector":"CM3 5","url":"https://openpostcodes.uk/CM3%205","postcode_count":253,"admin_district":"Chelmsford"},{"sector":"CM3 6","url":"https://openpostcodes.uk/CM3%206","postcode_count":281,"admin_district":"Maldon"},{"sector":"CM3 7","url":"https://openpostcodes.uk/CM3%207","postcode_count":25,"admin_district":"Chelmsford"},{"sector":"CM3 8","url":"https://openpostcodes.uk/CM3%208","postcode_count":126,"admin_district":"Chelmsford"},{"sector":"CM3 9","url":"https://openpostcodes.uk/CM3%209","postcode_count":4,"admin_district":"Chelmsford"}]}