Chicago lock box is only a P.O box (a mail sorting facility) for NBC in missouri. Your application would be sent from the lock box to missouri after it is received. The I-765 and I-131 remain at NBC and get processed there. The I-485 goes to your local DO and the I-130 goes to the NVC (I think).
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.