You get out of your 2 year contract by calling Comcast customer service at 1-800-XFINITY. You can choose to either negotiate a contract with a lower cost of service or cancel your account with fees in mind. Of course, you can call us to help your through the cord cutting process. Stop overpaying and start saving! Call 303-794-8600 to cut the cord, save $125 on average with your bills, and watch your favorite shows without limitations. Be warned! There may be a 60 day notice cancellation fee for your service. To terminate your Comcast internet subscription, there are two different ways that you can go about it online and by phone. The best way is to call the retention service at 1-800-XFINITY (1-800-934-6489) and to follow this step-by-step guide.