data/zip_code/4920.json
{"4920000":{"code":"23220","old_zip_code":"492","zip_code":"4920000","pref_kana":"アイチケン","city_kana":"イナザワシ","town_kana":"イカニケイサイガナイバアイ","pref_kanji":"愛知県","city_kanji":"稲沢市","town_kanji":"以下に掲載がない場合","pref_roman":"AICHI KEN","city_roman":"INAZAWA SHI","town_roman":"IKANIKEISAIGANAIBAAI"}}