Comcast Customer (805) 301-7609 or (803) 384-3058(805) 301-7609 or (803) 384-3058 Care Number one of the largest telecom providers in the U.S., offers a variety of services, including high-speed internet, cable TV, and home phone services. Among its many offerings, Comcast email (also known as Xfinity email) remains a popular choice for both personal and professional communication.