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How to Use Call Blocking With AT&T
One of the calling features offered by AT&T is call blocking. This feature allows you to block your number from displaying on someone else's caller ID when dialing out, block incoming calls from specific numbers or block calls from others who hide their... More »
Difficulty: Easy
Source: www.ehow.com

www.att.com/esupport/article.html#!/u-verse-voice/KM1041912

Block unwanted calls from numbers you specify and avoid those with anonymous information using these features. Find more Digital Phone support on att.com.

www.att.com/esupport/main.html#!/local-long-distance/topic_landlinehomephonesup-topic_callingfeatures1-topic_cfcallblocking1

Learn how to use Home Phone call blocking features. AT&T has you covered with Call blocking support, troubleshooting, how-to articles, & videos.

www.att.com/esupport/article.html#!/local-long-distance/KM1010653

For information about features that may be available in your area such as Call Block, Call Trace and Anonymous Call Rejection, visit us online or call customer  ...

www.att.com/esupport/article.html#!/u-verse-voice/KM1074689

Call Blocking options: Nomorobo. Wish you could block robocalls? Nomorobo is a free, third-party service that helps put an end to pre-recorded, automated ...

www.att.com/esupport/article.html#!/wireless/KM1009412

Learn how to block unwanted calls and messages using your wireless phone or other options. Find more Wireless support on att.com.

www.att.com/esupport/article.html#!/local-long-distance/KM1010649

Anonymous Call Rejection (*77) intercepts calls from people who have used a blocking feature to prevent their name or number from being provided to people ...

www.corp.att.com/smbcc/aio/aio_callscreen.html

Anonymous Call Rejection (ACR). AT&T Anonymous Call Rejection automatically rejects calls from people who intentionally block delivery of their calling party ...

forums.att.com/t5/Device-Features/Dial-61/td-p/5137704

May 1, 2017 ... My last bill came with a flyer stating "Call blocking just got easier - just dial *61 after an unwanted call. That's all it takes." I got.

arstechnica.com/information-technology/2016/12/att-unveils-network-level-robocall-blocking-call-spam-warnings

Dec 21, 2016 ... Call blocking works on iPhones and some Android phones for postpaid customers.