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AT&T Call Protect detects and blocks calls from likely fraudsters and helps identify Telemarketers and other suspected spam calls. Also manually blocks unwanted calls!  

Leverage the power of the AT&T network to identify phone spam and help eliminate unwanted calls.
Smartphones sold by other carriers may not be eligible.

Automatic Fraud Blocking
Detects and blocks calls from likely fraudsters before your phone rings
Review blocked calls in the app
Unblock any previously blocked calls that you would like to receive in the future
Suspected Spam Warning
Identifies telemarketers and other suspected spam calls such as politicians and debt collectors. Available in HD Voice coverage areas. 

Manual Call Blocking
Block unwanted calls from whoever you choose
Report Spam Calls
Help identify suspected spam and likely fraud calls
Your reports help us to continually improve our service

Learn more at att.com/securitycallprotect

AT&T Call Protect: Available to AT&T consumer postpaid wireless customers that are eligible for AT&T HD Voice. For information on AT&T HD Voice, visit www.att.com/hdvoice.
Automatic Fraud Blocking: May inadvertently block wanted calls, but settings can be adjusted to turn off blocking or allow specifically designated numbers.
Suspected Spam Warning: Must be in AT&T HD Voice coverage area to be alerted to suspected spam calls. Suspected spam may include service messages and/or other permitted calls.
Manual Call Blocking: Requires AT&T Call Protect app. Permits blocking of phone numbers. Does not permit blocking of unknown numbers.
For complete terms and conditions for AT&T Call Protect, see www.att.com/callprotectterms .

What's New

Version 1.4.146

We've added in-App ratings and fixed some minor bugs.

Ratings and Reviews

4.7 out of 5

176.3K Ratings

176.3K Ratings

Finally can send the stalker for a hike!


I have a stalker who constantly calls me and I blocked his number but his calls come through when he calls me private. He even calls other people in my family plan. I usually just ignored the calls or declined but then he started leaving me messages. I called att for options but they gave me the phone number for the DO not call line. They also suggested the smart limits. What a joke. I had to research the help on my own through att online help search. Pretty sad that employees don't know about this option. But anyway, this app works. I blocked the number and now when he tries to call by blocking his number, it won't go through. I tested this by blocking some of my friends and asking them to call me private and they said the call wouldn't go through. One person said they got a busy signal. This app has saved me from having to change my number (which I have had for about 13 years). Thanks for listening ATT now tell your employees to recommend!

My Shield


This app is awesome thank you AT&T for creating this app for your customers. Ever since the hurricane I’ve been getting a lot of unwanted calls from everywhere. Like Canada, Philadelphia, Texas these are among the few places that I’ve gotten calls from, trying to sell or said I won something. Grrrr these teller marketers just get on my nerves they would not shut up when they call so you can’t tell them it’s the wrong person or you are not interested in what they are selling. I just hang up on them. I had 90 block calls on my phone in less than a month. Phew, now I don’t have to worry about the midnight calls or early Sunday morning calls. This app does it all for me, it like having your own bodyguards..... tried of these disrespectful people calling you all hours of the night get this app for your phone. It truly gives you a peace of mind that when your phone rings it is for you and someone that you really would like to speak to. Great app AT&T 👍🏼👍🏼👍🏼👍🏼😜

Not Impressed

Fief puddle

So far this app hasn’t worked as I hoped. First of all, I couldn’t find an operating manual or explanation anywhere. So, use is based on best guess. Telemarketers still ring through, you just get a warning that it is a telemarketer. The app has completely missed one telemarketer phone number or they are figuring out how to get around it. Since starting to use this app my fraud calls have tripled. They don't ring through, but my phone looks like a strobe light because they just keep calling every few seconds. I want a way so anyone not in my contacts list can’t call me or anyone not in my contacts list would automatically be sent to voice mail except fraud call should be blocked in this case. These two setting could just be under settings in the app for those who want them. Also, you are going to have to answer the telemarketer call and find out who they are so you can fill out the information section. This defeats the whole purpose of the app. I answered one of these calls by accident and I now get 20 or 30 calls a day.


AT&T Services, Inc.
57.5 MB
Requires iOS 9.3 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
©2016 AT&T Intellectual Property. All rights reserved. AT&T and Globe logo are registered trademarks of AT&T Intellectual Property.  All other marks are the property of their respective owners.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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