How do i contact xfinity customer service? The customer support phone number of Xfinity Billing is 1-800-934-6489 (Click phone number to call).How can i contact comcast customer service? Phone Contact Numbers. We found only one customer service phone number on the Comcast website. This could mean customers have to wait longer on the phone, because all calls are routed through the same number no matter why the customer is contacting the customer service department. Customer Service: 1-800-266-2278.What is the phone number for xfinity customer service? Xfinity Customer Service Phone Number The Customer Service Phone Number of Xfinity is: +1-(800)-934-6489. Xfinity is a brand name of Comcast Corporation which is an American mass communication and Telecom solution provider company. The address of Xfinity is 1701, JFK Blvd Comcast Center Philadelphia, Pennsylvania 19103 United States.How to contact xfinity bill payment? To pay your Xfinity bill, you can:
Comcast / Xfinity. —. Billing. R RobinLK Sep 27, 2020. This review was posted by. a verified customer. Verified customer Review updated: Dec 01, 2020. Double billed once on9/21/20 for $328.03 and again on 9/25/20 for $328.03 for the same bill although there was a 0 balance. Comcast/Xfinity have refused to refund the over payment up to 30 days.