Comcast home phone service, known as Xfinity Voice , operates through your cable modem, not traditional copper wires. Blocking numbers works differently than on a cell phone. You have three main methods: using a star code, using the online portal, or using the Xfinity Connect app.
Comcast does not have a simple “block this last caller” button on the physical home phone handset. You must use one of the methods below. Method 1: The Instant Star Code (*60) This is the fastest way to block a number directly from your phone keypad right after a harassing call. how to block a phone number on a landline comcast
The *60 method on Xfinity Voice typically allows a maximum of 15 to 30 blocked numbers (varies by region/plan). It also may not work well on anonymous or private numbers. Method 2: Xfinity Website (Most Powerful & Recommended) This method gives you the most control, including the ability to block anonymous calls, international numbers, and specific types of robocalls. Comcast home phone service, known as Xfinity Voice