BellSouth was a telecommunications company founded in 1984, following the AT&T divestiture. Headquartered in Atlanta, Georgia, it provided telephone, internet, and wireless services across nine southeastern U.S. states. In 2006, AT&T acquired BellSouth, integrating its network and customers, expanding AT&T\’s influence in the telecommunications industry.
Source: https://my.onetrust.com/s/question/0D5RO00000OEP7r0AH/how-do-i-recover-my-sbcglobal-email-account