ATT Prepaid offers the detail of customer service for its existing as well as potential customers that can help them in conveying their feedback of its products and services. As a customer of the ATT Prepaid, if you face any query, feedback, complaint or suggestions related to its products and services then you can contact the ATT Prepaid customer service team through its contact detail, email id as well as customer service number that may or may not be tollfree. ATT Prepaid has shown its customer service address detail for its customers that are shown below.