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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#!/local-long-distance/KM1010645

Block up to 10 phone numbers in your local calling area with AT&T Call Block/ Call Screening. Find more Home phone support on att.com.

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

Learn how to use AT&T 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#!/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/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#!/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/offers/call-protect.html

AT&T Call Protect is a free service that provides network-based unwanted call protection and manual call blocking.

www.customerservice.att.com/assets/pdf/EnglishGuide.pdf

that 900/976 calls cannot be made nor charged to your line. Call Block. Allows you to block up to six pre-selected phone numbers. To block a designated phone  ...

www.att.com/esupport/main.html#!/u-verse-voice/topic_uversevoicesupport-topic_callingfeatures-topic_cfcallblocking

Learn about how to use Call Blocking features on your digital phone. AT&T has you covered with Call blocking support, troubleshooting, how-to articles, ...

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.