File the FORM AR11
Also update NCSC on 180-375-5283 providing your I-485 receipt # and A#
Also update the service center attach the I-485 filing copy and write your past and new address, date of birth, name new address and out side the envelope write: Kind Attention, Address Change and mail it with certified return receipt. Go to USCIS main site and read HOW TO you will find how to inform then about address change