How do I cancel my ATT Prepaid account?

All you need to do to cancel prepaid is to stop paying. Your service will expire and your account will close automatically.

@Sana1450  Link below on how to cancel ATT prepaid service. You definitely want to stop autopay, if not you will be charged every 30 days for service you no longer use. 

https://www.att.com/esupport/article.html#!/wireless/KM1008480?gsi=5NU7c3de