I will try to make this brief: I have been a loyal Comcast Subscriber since February 2007. I have never been late on a payment, I have direct payments made through American Express, my payments have never been late. For the past week, I have been getting calls on a daily basis from a Collection Agency called Credit Management 800-377-7789, I spoke with one of the Collection Agency's representatives, the woman told me that I had an overdue bill from Comcast for over $400.00, she said that my account was closed this past March, she also... read full review »