Xfinity (Comcast) Customer Service Phone Number & Contact Information
Looking for the best way to contact Xfinity (Comcast) and reach a live agent? Find the official primary customer service phone number and direct contact details. Get fast help with account inquiries, billing, technical support, and general assistance from a live representative.
Editorial note: DialIndex curates publicly listed customer service contact details and links back to official company websites when available. Always verify time-sensitive details on the official source before calling.
Last verified: 09 Mar 2026
How to Contact Xfinity (Comcast)
Xfinity is the trade name of Comcast Cable Communications, the largest provider of cable internet and television in the United States. It provides a massive suite of residential services including high-speed fiber-optic internet (Xfinity Internet), digital cable TV (X1), mobile phone service (Xfinity Mobile), and home security. As part of the Comcast-NBCUniversal family, it remains a central hub for media consumption and domestic connectivity for millions of American households.
The main listed Xfinity (Comcast) customer service number on this page is +1 855 270 0379. DialIndex also organizes additional support contact details by department so users can choose the most relevant phone line before they call.
This page currently lists 5 support phone numbers across 5 departments and links back to xfinity.com when an official website is available. Always verify urgent or time-sensitive contact details on the official source.
Xfinity (Comcast) Customer Service Phone Numbers
Xfinity (Comcast) has 5 customer service phone numbers across 5 departments for billing, technical support, account help, and general assistance.
| Phone Line | Phone |
|---|---|
| Accessibility Support | |
Support Center | |
| Comcast Business | |
Customer Service | |
| Customer Care | |
General Support | |
| Xfinity Mobile | |
Customer Support | |
| Xfinity Prepaid | |
Customer Service | |
Xfinity (Comcast) Customer Service FAQ
You can contact Xfinity customer support by calling 1-800-XFINITY (1-800-934-6489). You can also use the Xfinity Assistant for live chat on their website or app, or visit a local Xfinity store.