{"postcode_type":"area","jis":"20541","old":"38102","new":"3810204","prefecture_kana":"ナガノケン","city_kana":"カミタカイグンオブセマチ","suburb_kana":"イイダ","prefecture":"長野県","city":"上高井郡小布施町","suburb":"飯田","street_address":null,"office":null,"office_kana":null,"office_roman":null,"post_type":null,"is_separated_suburb":0,"is_koaza":0,"is_chome":0,"is_include_area":0,"status":0,"reason":0,"prefecture_roman":"Naganoken","city_roman":"Kamitakaigunobusemachi","suburb_roman":"Iida","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/3810204.json","location":{"latitude":"36.70115","longitude":"138.3125884"}}