If CSC, email to CSC-XII.485@dhs.gov
If your I485 is in California, you can email to them
CSC-XII.485@dhs.gov
Mr. James A Williams will answer your email.
Mr. williams in California Center is very very nice guy,
He will answer all question about your I485 case.
very important thing is that he has power to assign some staff to look at your case at once,
Usually he will tell you one of the following
1)your case is pending on FBI name check
2)No visa number is available
3)your case is assigned to one staff to handle.
4)your case should process within 60 days (number couled be 45,, or 90)
one of his reply to my case
========================
it should process within 60 days
Thank You
James A Williams
Center Adjudications Officer
Div XII, California Service Center