kanata ,
did u checked online status, what it is showing?
My lawyer changed their address and also informed INS but he didn't receive my courtesy copy. and now my status is showing that :
Our last written notice in this case was returned as undeliverable by the post office on February 6, 2004. To update the mailing address so this notice can be re-sent, please call the National Customer Service Center at (800) 375-5283.