没写宿舍号的信要去哪里拿？？？

急！！！很重要的信[LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE][LOUDLY CRYING FACE]