Block unwanted wireless calls and 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 how-to 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 Call Protect app
With AT&T Call Protect, you have unlimited call blocking for up to 30 days.
If you want to keep blocking certain calls after 30 days, you can do so using your phone’s built-in call blocking function. Just select those numbers you want to continuously block, and select block this number. AT&T Call Protect cannot block unknown numbers after 30 days. AT&T Call Protect will automatically block fraud calls, and warn you about suspected spam calls. Get more details about AT&T Call Protect.

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

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.