Support XFINITY Apps Find or Create Your Comcast ID or Username


Use our lookup tool to find or recover your Comcast ID or username or you can create a username.

You'll need to provide your account number or your date of birth and the last 4 digits of your Social Security Number. This allows us to verify your identity.

Note: If you are an XFINITY Internet customer accessing the tool from your home, you'll only be prompted for the phone number associated with your account.

About Comcast IDs

Each account number has a primary Comcast ID. An Comcast ID has a password with a secret question and answer for password recovery. If you're an XFINITY Internet customer, your primary Comcast ID was created when you activated your Internet service.

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