I too sent it to the same address:Hey,
I am from Ottawa, and I mailed mine to this address
IRCC - NHQ (Mailroom) – PR card photos
Ottawa Office (3122)
365 Laurier Ave. West
Ottawa, ON K1A 1L1
I sent it here because this was the address listed on top of my CoPR pdf.
I hope it helps..
IRCC - NHQ (Mailroom) – PR card photos
Ottawa Office (3122)
365 Laurier Ave. West
Ottawa, ON K1A 1L1