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  2. MCI Communications - Wikipedia

    en.wikipedia.org/wiki/MCI_Communications

    MCI Communications Corporation (originally Microwave Communications, Inc.) was a telecommunications company headquartered in Washington, D.C. that was at one point the second-largest long-distance provider in the United States. MCI was instrumental in legal and regulatory changes that led to the breakup of the Bell System and introduced ...

  3. MCI Inc. - Wikipedia

    en.wikipedia.org/wiki/MCI_Inc.

    MCI, Inc. (formerly WorldCom and MCI WorldCom) was a telecommunications company. 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 ...

  4. Mobile Communication Company of Iran - Wikipedia

    en.wikipedia.org/wiki/Mobile_Communication...

    MCI is a subsidiary of the and has approximately 17 million postpaid and 49 million prepaid subscribers. [1] [2] Hamrahe Aval's service is available in 1,239 cities and over 70,000 kilometers of highway in Iran is sheet. It provides roaming services via 271 partner operators in more than 112 countries.

  5. 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 Telecom USA, which was owned by MCI; MCI is now part of Verizon.

  6. Telephone numbers in Iran - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Iran

    (e.g. MNC for IR-MCI is 11) The Home Network Identity (HNI) is the combination of the MCC and the MNC. This is the number which fully identifies a mobile subscriber. This combination is also known as the PLMN. (e.g. HNI for IR-MCI with MNC = 11 and MCC of Iran = 432 will be 43211) There are 9 mobile phone providers in Iran, listed below.

  7. William G. McGowan - Wikipedia

    en.wikipedia.org/wiki/William_G._McGowan

    William G. McGowan (December 10, 1927 – June 8, 1992) was an American entrepreneur, and founder and chairman of MCI Communications.He played an important role in the breakup of AT&T while growing MCI into a US$9.5 billion in revenue entity that controlled 16% of the American domestic and international long distance market.

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