If you’re a customer of AT&T, there are a few ways to cancel your account without having to go through the company’s customer service. The first way is to call them and ask for a cancellation code. Once you have the code, you can cancel your account by calling them and providing your information. The second way is to go on their website and click on the “cancel my account” link. Once you click on this link, you will be taken to a page where you can provide your information and sign up for new services. The last way is to call them and ask for a cancellation code.