Customer Service and Support. Comcast Marketing to you. * Call 1-800-XFINITY for non-published telephone number pricing information. Comcast does not publish phone numbers; however, phone numbers may exist in databases not controlled by Comcast - if, for example, your present phone number or address was provided to businesses or government
800-945-2288 How to Reach a Real Person at Comcast/Xfinity. Phone: Comcast’s official customer service number is 800-945-2288, but I called a different number, 800-266-2278. You may have to enter a lot of personal information to get connected, including your ZIP code.