I-485 filing address for chicago lock box

[june620]

I am wondering which address i should use..
i would like to use Fedex to send it over

i found 2 address:

USCIS
ATTN: AOS
131 South Dearborn 3rd FL
Chicago IL 60604

USCIS
ATTN: FBASI
427 S Lasalle, 3rd FL
Chicago IL 60605

 

[masematn]

I am wondering which address i should use..
i would like to use Fedex to send it over

Use the address for courier/express delivery listed in the instructions for I-485.

 

[june620]

tHANK YOU FOR YOUR RESPONDING