Jul 18, 2012
Instructions
1
Pick up the receiver on your AT&T landline phone and listen for a dial tone. Press *60 and press #. Wait for another dial tone.
2
Dial the first number, including the area code, that you wish to block on your AT&T landline. Press #.
Read more: How to Block an Incoming Phone Number on an AT&T Landline | eHow.com http://www.ehow.com/how_6396763_block-phone-n ... l#ixzz20z55qcTY