回复:Confused!!!!
Did you file your I-485 under any of the 16 categories listed on Page 1 of the I-131 Instruction?
If so, your I-131 petition should go to Chicago. Otherwise, you should submit your I-131 petition to the same USCIS center where you filed your I-485 with. Pls check Pages 4-5 of the I-131 instruction for details.
Good luck!