A: The American Express billing cycle occurs every 25 days. During that time, if you have an American Express card that allows you to carry over balances, you have that length of time to pay your balance in full.
Comcast Corporation (formerly registered as Comcast Holdings) is an American global telecommunications conglomerate that is the largest broadcasting and cable television company in the world by revenue.
Xfinity is a cable, telephone and Internet provider operated by Comcast. All customer service calls will go through the Comcast customer service center, though some contact information may be dedicated to the Xfinity service package. Comcast is a huge company that operates in many states.