Prevent unwanted calls

Have AT&T Phone service at home? If so, you can get free access to several tools that can help stop unwanted calls.


Opt in to use Digital Phone Call Protect

With this free service, you can automatically block calls from known scammers. Plus, with Digital Call Protect1, 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

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

Set up Call Screening for ATT Phone - Advanced

Turn on the Call Screening feature. Then, choose up to 20 phone numbers that can get through to you. Anyone who calls that isn’t on your list hears this message: The number you dialed will not accept your call. The call ends, and the caller won’t be able to leave a message.

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

  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.

Set up Call Screening for AT&T Phone

  1. Go to your myAT&T account overview.
  2. Locate the My digital phone section and choose Check or manage voicemail & features.
  3. Select Phone Features.
  4. Choose Call Screening, and then On.
  5. Follow the prompts to add up to 20 phone numbers that can call you.

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 change your call screening settings:
    • ON: Enter *64#
    • OFF: Enter *84#
  • Want to avoid marketing and solicitation calls? Place your number on the Do Not Call list at DoNotCall.gov.


See all important details

Last updated: June 10, 2025

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