is the
Bell Operating Company serving most of
Ohio . They are a wholly owned subsidiary of '''
AT&T Inc.'''
Their headquarters are the
Ohio Bell Building at 750 Huron Road,
Cleveland, Ohio . Unaffiliated
Cincinnati Bell serves
Cincinnati and surrounding communities.
After the 1984
Bell System Divestiture , Ohio Bell became a part of
Ameritech , one of the seven original
Regional Holding Companies . The Ohio Bell name continued to be used until January
1993 , when Ameritech dropped all of their individual Bell Operating Company names in favor of using the corporate name for marketing purposes.
In
2002 , SBC dropped the Ameritech name in favor of "SBC" as a national brand. Ohio Bell still exists as .
On
January 15 ,
2006 , Ohio Bell's legal name was changed to .
After being held by AT&T (pre-1984), Ameritech, and SBC, as of
2005 , they are now part of the "new"
AT&T .