{"url":"https://openpostcodes.uk/B18","type":"district","district":"B18","area":"B","postcode_count":462,"councils":["Birmingham","Sandwell"],"sectors":[{"sector":"B18 4","url":"https://openpostcodes.uk/B18%204","postcode_count":117,"admin_district":"Birmingham"},{"sector":"B18 5","url":"https://openpostcodes.uk/B18%205","postcode_count":118,"admin_district":"Birmingham"},{"sector":"B18 6","url":"https://openpostcodes.uk/B18%206","postcode_count":114,"admin_district":"Birmingham"},{"sector":"B18 7","url":"https://openpostcodes.uk/B18%207","postcode_count":97,"admin_district":"Birmingham"},{"sector":"B18 9","url":"https://openpostcodes.uk/B18%209","postcode_count":16,"admin_district":"Birmingham"}]}