ATTM *837596706 is a recognized billing descriptor associated with AT&T Mobile. That identification tells you who the charge is from — it cannot by itself confirm that your specific transaction was authorized. If you don't recognize it, first check whether someone who shares your card made the purchase, then contact AT&T Mobile directly before disputing the charge with your bank.
Call AT&T Mobile at (800) 331-0500. Visit http://www.att.com/wireless for support.
Use the Request a Refund or Cancel Order / Subscription options on this page to start a request. You can also call AT&T Mobile at (800) 331-0500.
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