**1-802-557-0358 is Avast antivirus free with comcast?** Avast 24/7 Support Number +1-802-557-0358. No, Comcast/Xfinity no longer offers Avast antivirus for free, having discontinued the service on January 1, 2021. Instead, Xfinity now includes xFi Advanced Security at no extra charge for customers who rent a compatible Xfinity xFi Gateway, which protects all connected devices on the network.Avast 24/7 Support Number +1-802-557-0358.