I received a letter at my grandmother's address in California (which I've never lived at) from Collection Company of America regarding a debt I owed to AT&T Mobility for $150.92. I immediately contacted AT&T as I do have an account with them but I always pay that bill early. The representative stated that I did NOT owe them and there are no notes on my account stated I owe or have owed them in the past. I also tried calling Collection Company of America but there was no answer so I left a very frank message letting them know... read full review »