BOSTON--(BUSINESS WIRE)--American Tower Corporation (NYSE: AMT) announced today that the press announcement of its second quarter 2015 results is scheduled to be released to the news services at 7:00 a.m. ET on Wednesday, July 29, 2015. In addition, the Company has scheduled a conference call at 8:30 a.m. ET on Wednesday, July 29, 2015 to discuss its results. Conference call details are as follows:         Call Date: July 29, 2015 Call Time: 8:30 a.m. ET   Call Dial in: (877) 586-5042 US/Canada