{"url":"https://openpostcodes.uk/WD18","type":"district","district":"WD18","area":"WD","postcode_count":719,"councils":["Watford","Three Rivers"],"sectors":[{"sector":"WD18 0","url":"https://openpostcodes.uk/WD18%200","postcode_count":204,"admin_district":"Watford"},{"sector":"WD18 1","url":"https://openpostcodes.uk/WD18%201","postcode_count":93,"admin_district":"Watford"},{"sector":"WD18 6","url":"https://openpostcodes.uk/WD18%206","postcode_count":103,"admin_district":"Watford"},{"sector":"WD18 7","url":"https://openpostcodes.uk/WD18%207","postcode_count":210,"admin_district":"Watford"},{"sector":"WD18 8","url":"https://openpostcodes.uk/WD18%208","postcode_count":66,"admin_district":"Watford"},{"sector":"WD18 9","url":"https://openpostcodes.uk/WD18%209","postcode_count":43,"admin_district":"Three Rivers"}]}