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  2. Long-distance calling - Wikipedia

    en.wikipedia.org/wiki/Long-distance_calling

    Before direct distance dialing (DDD), all long-distance calls were established by special switchboard operators (long-distance operators) even in exchanges where calls within the local exchange were dialed directly. Completion of long-distance calls was time-consuming and costly as each call was handled by multiple operators in multiple cities.

  3. 10-10-321 - Wikipedia

    en.wikipedia.org/wiki/10-10-321

    10-10-321, 10-10-345, 10-10-220, and 10-10-987 are United States long-distance phone services best known for their prolific television and direct mail advertising in the late 1990s. 10-10-321 was the first mass-marketed service of its type. 10-10-345 was owned by AT&T, and the rest were all owned by MCI, which is now part of Verizon.

  4. Toll-free telephone numbers in the North American Numbering ...

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

    Prior to the toll-free long distance market was opened to competition after 1986, a customer may have had a multi-carrier toll free number assigned by the Local Exchange Company for intrastate callers and an order placed with a long distance company for interstate callers.

  5. MCI Inc. - Wikipedia

    en.wikipedia.org/wiki/MCI_Inc.

    For a time, it was the second-largest long-distance telephone company in the United States, after AT&T. WorldCom grew largely by acquiring other telecommunications companies, including MCI Communications in 1998, and filed for bankruptcy in 2002 after an accounting scandal , in which several executives, including CEO Bernard Ebbers , were ...

  6. MCI Communications - Wikipedia

    en.wikipedia.org/wiki/MCI_Communications

    The long-distance communication service would then be marketed to shipping companies that were too small to build their own private relay systems. [2] In addition to the radio relay services, MCI soon made plans to offer voice, computer information, and data communication services for business customers unable to afford AT&T 's TELPAK service.

  7. SBC Long Distance - Wikipedia

    en.wikipedia.org/wiki/SBC_Long_Distance

    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 compete for telephone service. In 2002, SWB Long Distance was renamed SBC Long Distance, as part of SBC's brand unification among its companies. In 2005, SBC purchased AT ...

  8. Local exchange carrier - Wikipedia

    en.wikipedia.org/wiki/Local_exchange_carrier

    Local exchange carrier (LEC) is a regulatory term in telecommunications for the local telephone company. In the United States, wireline telephone companies are divided into two large categories: long-distance (interexchange carrier, or IXCs) and local (local exchange carrier, or LECs).

  9. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    There is also a local-rate service named "0-810" (cero ochocientos diez) where the calling party pays the fee for a local call and the called party pays for the long-distance fees. In Armenia, the toll-free prefix is "800" followed by a five-digit number. In Australia, the toll-free prefix is "1800" followed by a six-digit number. Calls are ...

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