Sign in to your Xfinity account at https://www.xfinity.com/support/scheduling/internet-cancellation
Select the option to cancel Xfinity Internet service
Follow the prompts to confirm your cancellation details
If prompted, choose the cancellation date and confirm any equipment return requirements
If you have an Xfinity Store visit nearby, bring your account information and any required verification
If you prefer phone support, call Xfinity Customer Service at 1-800-XFINITY (1-800-934-6489) and request cancellation of Internet service
Confirm whether you need to return Xfinity equipment and note the return location or shipment instructions
Ask for a confirmation number or written confirmation of the cancellation request
Verify your final bill and cancellation effective date in your Xfinity account after submitting the request