A Guide To Find Xfinity My Device Info Xfinity is a trade of the Comcast Cable Communications, and they are the promoter of advanced TV, web, telephone, and remote organizations. The association was set up in, 2 April 1981, and has its present salary of, 5,252 crores USD. Xfinity has its headquarter in, Philadelphia, Pennsylvania, United States, and it works under its parent affiliation, Comcast. The association also has reinforcements, Comcast Cablevision of Taylor, and…