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At&t customer service toll-free number.
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AT&T
American multinational telecommunications holding company
This article is about the holding company known as AT&T since 2005. For the original AT&T founded in 1885, see AT&T Corporation.
For the local telephone company founded in 1882, see Southwestern Bell. For other uses, see AT&T (disambiguation).
Whitacre Tower, AT&T's corporate headquarters in Dallas | |
Formerly |
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Company type | Public |
Traded as | |
ISIN | US00206R1023 |
Industry | |
Predecessors | |
Founded |
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Headquarters | Whitacre Tower, Dallas, |