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2. History of AT&T - Wikipedia

   en.wikipedia.org/wiki/History_of_AT&T

   History of AT&T. The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885 ...

3. Franklin Center (Chicago) - Wikipedia

   en.wikipedia.org/wiki/Franklin_Center_(Chicago)

   The Franklin Center is a 60-story supertall skyscraper in the Loop neighborhood of downtown Chicago.Completed in 1989 as the AT&T Corporate Center to consolidate the central region headquarters of the American Telephone & Telegraph Company (AT&T), [2] it stands at a height of 1,007 ft (307 m) and contains 1.7 million sq ft (160,000 m 2) of floor space. [3]

4. Illinois Bell - Wikipedia

   en.wikipedia.org/wiki/Illinois_Bell

   It is owned by AT&T through AT&T Teleholdings, formerly Ameritech. Their headquarters are at 225 West Randolph St., Chicago, IL. After the 1984 Bell System Divestiture, Illinois Bell became a part of Ameritech, one of the 7 original Regional Bell Operating Companies. The Illinois Bell name continued to be used until January 1993, when Ameritech ...

5. AT&T, Verizon services restored after call disruption issues ...

   www.engadget.com/att-verizon-services-restored...

   Both companies denied that they had a nationwide outage. AT&T and Verizon customers found themselves unable to call contacts on other carriers for several hours on June 4. Based on people's ...

6. AT&T deal will make every phone a satellite phone - Engadget

   www.engadget.com/att-deal-will-make-every-phone...

   SpaceX launched the first Starlink satellites with direct-to-cell service capability in January 2024, and the companies sent and received the first text messages via T-Mobile using the satellites ...

7. Ameritech - Wikipedia

   en.wikipedia.org/wiki/Ameritech

   AT&T Teleholdings, Inc., formerly known as Ameritech Corporation (and before that American Information Technologies Corporation ), is an American telecommunications company that arose out of the 1984 AT&T divestiture. Ameritech was one of the seven Regional Bell Operating Companies created following the breakup of the Bell System.

8. AT&T restores cellphone service after US outage affecting ...

   www.engadget.com/us-cellphone-outage-hits...

   A widespread AT&T outage has impacted over 50,000 customers as of this morning, with most customer complaints centered in Houston, Chicago, Dallas, Los Angeles and Atlanta. This outage even ...

9. List of Illinois area codes - Wikipedia

   en.wikipedia.org/wiki/List_of_Illinois_area_codes

   With the depletion of new numbers in area codes 312 and 773, an overlay of both of them, area code 872, was created in November 2009, beginning ten-digit dialing within the city limits of Chicago. The remaining area without an overlay in the northern part of Illinois, 708, eventually received such with area code 464 taking effect on January 21 ...