{"postcode_type":"area","jis":"06203","old":"99974","new":"9997463","prefecture_kana":"ヤマガタケン","city_kana":"ツルオカシ","suburb_kana":"サンゼ","prefecture":"山形県","city":"鶴岡市","suburb":"三瀬","street_address":null,"office":null,"office_kana":null,"office_roman":null,"post_type":null,"is_separated_suburb":0,"is_koaza":1,"is_chome":0,"is_include_area":0,"status":0,"reason":0,"prefecture_roman":"Yamagataken","city_roman":"Tsuruokashi","suburb_roman":"Sanze","handling_post_office":null,"multiple_numbers":null,"created_at":"2026-09-01T20:08:17.000Z","updated_at":"2026-09-01T20:08:17.000Z","url":"https://postcode.teraren.com/postcodes/9997463.json","location":{"latitude":"38.691114","longitude":"139.675093"}}