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AT&T was founded as Bell Telephone Company by Alexander Graham Bell, Thomas Watson and Gardiner Greene Hubbard after Bell's patenting of the telephone in 1875. [20] By 1881, Bell …

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Transferring or “porting” your phone number from your old carrier to AT&T can be done in a few easy steps. Learn more about the process to switch from another carrier to AT&T.

6 days ago · In a message to AT&T employees, CEO John Stankey said the company will construct a new company headquarters.

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