submit all forms to where your 485 should go.
check the site below and click the family-based 485 applcation
http://uscis.gov/graphics/formsfee/forms/i-485.htm#fba
you will need to mail your application to:
U.S. Citizenship and Immigration Services
P.O. Box 805887
Chicago, IL 60680-4120
U.S. Citizenship and Immigration Services
P.O. Box 805887
Chicago, IL 60680-4120