epa08967905 (FILE) - A file photo dated 20 March 2011 shows the AT&T logo on the facade of Whitacre Tower, the AT&T global headquarters building at One AT&T Plaza in Dallas, Texas, USA (reissued 26 January 2021). AT&T is to publish their 4th quarter 2020 results on 27 January 2021. EPA/LARRY W. SMITH *** Local Caption *** 56440447
