Block unwanted wireless calls and messages

Learn how to block unwanted calls and text messages using your wireless phone and apps.

Ways to block calls and text messages

To find out if your phone has a built-in feature to block calls and text messages:
  1. Go to Device Support and select your phone.
  2. Go to the search box at the beginning of the page and search by typing block.
  3. Select the article from the search results. If you don’t see steps to take for your phone, contact the company that made your device for more help, or try these other options.

AT&T ActiveArmor mobile security
In addition to blocking fraud and spam calls, with AT&T ActiveArmorSM mobile security, you can add numbers to your personal block list. The numbers on your personal block list will remain permanently blocked until you remove them from the list. Get more details about AT&T ActiveArmor mobile security.

Other apps and services
Check out other call blocking apps and services to see if they’ll work with your AT&T wireless service. Review apps for your device type

Other ways to stop unwanted calls and texts

Add your number to the Do Not Call Registry
Add your number to the Federal Trade Commission’s (FTC) National Do Not Call Registry to opt out of receiving most telemarketing calls.

Report spam text messages
Don't answer a spam message. If you answer, the spammer knows that your number is good. Just text the message on your wireless phone to 7726 (SPAM) so that we can investigate.

Messages forwarded to 7726 are free. They don't count toward your text plan.
Last updated: February 2, 2023

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