How to report text message spam to AT&T?
If you are an AT&T, T-Mobile, Verizon, Sprint, or Bell customer, you can report spam text messages by forwarding them to 7726 free of charge. Tap the Send icon. It's the blue upward-facing arrow button on the right side of the message box. This will forward the text message to the Spam Reporting Service. Report any unauthorized charges.
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