On January 3, 2008, our small business phone line in our home was shut off without warning by AT&T because the December, 2007 bill had not been paid yet (the last payment was for November 15, 2007 bill). When I called to inquire we were on hold for 30 minutes and HAD to have the 3 digit number (shown on your phone bill) before they would even talk to you. Read more »