{"postcode_type":"office","jis":"11104","old":"330","new":"3378586","prefecture_kana":null,"city_kana":null,"suburb_kana":null,"prefecture":"埼玉県","city":"さいたま市見沼区","suburb":"堀崎町","street_address":"１２−３６（大宮郵便局私書箱第２０号）","office":"見沼区役所","office_kana":"ミヌマクヤクシヨ","office_roman":"Minumakuyakushiyo","post_type":"po_box","is_separated_suburb":null,"is_koaza":null,"is_chome":null,"is_include_area":null,"status":null,"reason":null,"prefecture_roman":null,"city_roman":null,"suburb_roman":null,"handling_post_office":"大宮","multiple_numbers":"none","created_at":"2026-06-01T07:00:40.000Z","updated_at":"2026-06-01T07:00:40.000Z","url":"https://postcode.teraren.com/postcodes/3378586.json","location":null}