Below you will find a list of all current customer service phone numbers for Comcast. Including their residential and business customer service departments.


DepartmentPhone Number
Comcast Residential Customer Service800-266-2278
Comcast Business Customer Service800-391-3000
New Customers - Establish Service With Comcast866-203-0432

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  • Monday09:00 AM - 05:00 PM
  • Tuesday09:00 AM - 05:00 PM
  • Wednesday09:00 AM - 05:00 PM
  • Thursday09:00 AM - 05:00 PM
  • Friday09:00 AM - 05:00 PM

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