YOU SAID:
Your new address code is in the mailbox
INTO JAPANESE
新しいアドレスコードがメールボックスにあります
BACK INTO ENGLISH
Your new address code is in your mailbox
INTO JAPANESE
新しい住所コードがメールボックスに入っています
BACK INTO ENGLISH
Your new address code is in your mailbox
Well done, yes, well done!