If you’re unhappy with Comcast’s services, there are a few ways to get rid of your account. The first step is to contact Comcast customer service. They may be able to help you cancel your service without any penalties. If that doesn’t work, you can try to cancel your account online. You’ll need your account number, the last four digits of your Social Security number, and the date of birth for verification. If all else fails, you can call Comcast and ask to have your account cancelled. ..