{"url":"https://openpostcodes.uk/BT57","type":"district","district":"BT57","area":"BT","postcode_count":182,"councils":["Causeway Coast and Glens"],"sectors":[{"sector":"BT57 8","url":"https://openpostcodes.uk/BT57%208","postcode_count":182,"admin_district":"Causeway Coast and Glens"}]}