Prevent unwanted calls

Have AT&T Phone or AT&T Phone – Advanced? You can get free access to several tools to help stop unwanted calls.


Use Digital Phone Call Protect

With this free service, you can automatically block calls from known scammers. Plus, with Digital Call Protect,1 you also get an alert on your caller ID if a call is suspected spam. Caller ID alert types include:

  • Debt collector
  • Political
  • Nonprofit
  • Telemarketer
  • Survey
  • Robocaller

Get more info about Call Protect

Have AT&T Phone? You must sign in to the AT&T phone portal with your member ID and turn on Call Protect.

Block unwanted calls

You can create a list of up to 100 numbers to block. Set up your list online or just press *61 after your most recent unwanted call to:

  • Turn on call blocking
  • Add that number to your block list

Learn more about call blocking

Screen incoming calls

When you turn on Call Screening, anyone who calls that isn’t on your list hears this message: The number you dialed will not accept your call.

Set up Call Screening

  1. Go to the AT&T phone portal. Sign in with your member ID.
  2. Choose Features, then Call Filtering.
  3. Select Call Screening, then enter up to 20 phone numbers that can call you.
  4. Toggle Call Screening ON.

Things to know:

  • Want to delete a number from your call list? Select the X next to the number.
  • Once you create your call list online, use your digital phone to turn off call screening by entering *84#.
  • Want to avoid marketing and solicitation calls? Place your number on the Do Not Call list at DoNotCall.gov.

FYI: You can’t turn on Call Screening and Call Blocking at the same time.

See all important details

Last updated: July 15, 2025

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