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2. Southwestern Bell - Wikipedia

   en.wikipedia.org/wiki/Southwestern_Bell

   SBC Communications bought AT&T Corp. on November 18, 2005, and changed its name to AT&T Inc. Shortly afterwards, on January 15, 2006, AT&T companies were given new d.b.a names. As a result, officially, Southwestern Bell began conducting business under the following names: AT&T Arkansas, AT&T Kansas, AT&T Missouri, AT&T Oklahoma, and AT&T Texas.

3. Toll-free telephone numbers in the North American Numbering Plan

   en.wikipedia.org/wiki/Toll-free_telephone...

   In the early 1980s, Bell Labs received a patent for what became AT&T's "Advanced 800 Service", a computer-controlled system where any toll-free number could point to any destination number, such as to a small business local number instead of a special InWATS line, and an itemized bill generated only for the calls the business actually received.

4. SBC Long Distance - Wikipedia

   en.wikipedia.org/wiki/SBC_Long_Distance

   SBC Long Distance is a separate subsidiary than AT&T Communications, the incumbent long-distance carrier for most of the country acquired in the SBC merger with AT&T. SBC Long Distance started in 1996 as Southwestern Bell Communications Services, Inc. , created as a result of the Telecommunications Act of 1996 which allowed the Baby Bells to ...

5. BellSouth Long Distance - Wikipedia

   en.wikipedia.org/wiki/BellSouth_Long_Distance

   BellSouth Long Distance, Inc. consists of the long distance operations of AT&T serving BellSouth Telecommunications customers. BSLD was acquired by AT&T in 2006 when it purchased BellSouth Corporation. [1] BSLD does business as AT&T Long Distance Service.

6. Telephone numbering plan - Wikipedia

   en.wikipedia.org/wiki/Telephone_numbering_plan

   This concept was first developed in the planning for a nationwide numbering plan for Operator Toll Dialing and direct distance dialing (DDD) in the Bell System in the United States in the 1940s, a system that resulted in the North American Numbering Plan for World Zone 1. [4] AT&T divided the United States and Canada into numbering plan areas ...

7. Landlines may seem obsolete, but people in these states pick ...

   www.aol.com/landlines-may-seem-obsolete-people...

   Spokeo analyzed landline usage across the U.S., using National Center for Health Statistics data to identify the states with the most homes dependent on landlines. Not long ago, leashed phone ...