It does not make difference as long as - 回复:急问各位大侠有关I485邮寄
you use street address
http://blog.wenxuecity.com/blogview.php?date=200708&postID=7089#POBox
you use street address
http://blog.wenxuecity.com/blogview.php?date=200708&postID=7089#POBox