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| Company type | Subsidiary |
|---|---|
| Industry | Telecommunications |
| Founded | 1920 |
| Headquarters | Indianapolis, Indiana, U.S. |
| Products | Local Telephone Service |
| Parent |
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| Website | http://www.att.com |
Indiana Bell Telephone Company, Incorporated, is the Bell Operating Company serving Indiana. It is an indirect subsidiary of AT&T Inc., owned by AT&T Teleholdings.
Indiana Bell was founded in 1920 to function as the central Bell telephone company in the state of Indiana. It purchased the Indiana operations of the Central Union Telephone Company and also purchased the Indianapolis Telephone Company. It continued to expand throughout the 1920s through acquisitions.
In 1930, Indiana Bell's headquarters building in Indianapolis was relocated 52 feet (16 m) to the south and 100 feet (30 m) west of its original location while employees continued working in it. The move was an engineering feat of its time.
Throughout the 1940s and 1950s the company continued to expand by acquiring many smaller telephone companies throughout the state.
After the 1984 Bell System Divestiture, Indiana Bell became a part of Ameritech, one of the seven original Regional Bell Operating Companies.
In 1990, the independent board of directors of Indiana Bell was dissolved. [1]
The Indiana Bell name continued to be used until January 1993, when Ameritech dropped all individual Bell Operating Company names in favor of using the corporate name for marketing purposes, and Indiana Bell began doing business under the trade name Ameritech Indiana. In 2001, two years after Ameritech was acquired by SBC Communications, SBC rebranded all of its companies to include the SBC name, and Indiana Bell began doing business as SBC Ameritech Indiana. In 2002, SBC rebranded all of its companies simply as "SBC" for use as a national brand. Indiana Bell then started doing business as SBC Indiana. After AT&T Corporation was acquired by SBC Communications, SBC renamed itself AT&T, resulting in Indiana Bell taking the trade name AT&T Indiana.
A Regional Bell Operating Company (RBOC) was a corporate entity created as result of the antitrust lawsuit by the U.S. Department of Justice against the American Telephone and Telegraph Company (AT&T) in 1974 and settled in the Modification of Final Judgment on January 8, 1982.
AT&T Teleholdings, Inc., formerly known as Ameritech 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. Ameritech was acquired in 1999 by SBC Communications, which subsequently acquired AT&T Corporation in 2006, becoming the present-day AT&T.
The Pacific Bell Telephone Company (Pac Bell) is a telephone company that provides telephone service in California. The company is owned by AT&T through AT&T Teleholdings, and, though separate, is now marketed as “AT&T”. The company has been known by a number of names during which its service area has changed. The formal name of the company from the 1910s through the 1984 Bell System divestiture was The Pacific Telephone and Telegraph Company. As of 2002, the name “Pacific Bell” is no longer used in marketing, although Pacific Bell is still the holder of record for the infrastructure of cables and fiber through much of California.
Pacific Telesis Group (PacTel) was one of the seven Regional Bell Operating Companies, sometimes also referred to as "RBOCs" or "Baby Bells", created in 1983 in preparation of the breakup of AT&T Corporation. Pacific Telesis was the holding company for Pacific Bell, Nevada Bell, Pacific Telesis International, PacTel Mobile Services and PacTel InfoSystems. Pacific Telesis was headquartered in San Francisco and incorporated in Nevada. It was acquired by SBC Communications in 1997, which would eventually become today’s AT&T Inc.
Cincinnati Bell, Inc., doing business as Altafiber, is a regional telecommunications service provider based in Cincinnati, Ohio, United States. It provides landline telephone, fiber-optic Internet, and IPTV services through its subsidiaries Altafiber Home Phone and Hawaiian Telcom, which are the incumbent local exchange carriers for the Greater Cincinnati metropolitan area and Hawaii. Other subsidiaries provide enterprise information technology services and long distance calling.
The monopoly position of the Bell System in the U.S. was ended on January 8, 1982, by a consent decree providing that AT&T Corporation would, as had been initially proposed by AT&T, relinquish control of the Bell Operating Companies, which had provided local telephone service in the United States. AT&T would continue to be a provider of long-distance service, while the now-independent Regional Bell Operating Companies (RBOCs), nicknamed the "Baby Bells", would provide local service, and would no longer be directly supplied with equipment from AT&T subsidiary Western Electric.
Nevada Bell Telephone Company, originally Bell Telephone Company of Nevada, is a Nevada telephone provider and it was the Bell System's telephone provider in Nevada. It only provides telephone services to 30% of the state, essentially all of the state outside Las Vegas, where service is provided by Lumen Technologies. Nevada Bell spent nearly all of its history as a subsidiary of Pacific Bell, which is the reason Nevada Bell was not listed in Judge Harold H. Greene's Modification of Final Judgment, starting the breakup of AT&T.
Ameritech Mobile Communications, LLC was the first company in the United States to provide cellular mobile phone service to the general public. Cell service became publicly available in Chicago on October 13, 1983. The company was a division of Ameritech which, as of January 1, 1984, was the holding company of Illinois Bell, Michigan Bell, Wisconsin Bell, Ohio Bell, and Indiana Bell, which provides landline service to the Great Lakes region. From around 1986, Cincinnati Bell held a 45% stake in the company. Originally named Ameritech Mobile Communications, it later became known as Ameritech Cellular.
Michigan Bell is the subsidiary of AT&T serving the state of Michigan. Following the Bell System divestiture on January 8, 1984, the company became a subsidiary of Ameritech, the Regional Bell operating company that served the midwestern United States. Ameritech was subsequently acquired by SBC Communications, which later changed its name to AT&T.
Illinois Bell Telephone Company, LLC is the Bell Operating Company serving Illinois. It is owned by AT&T through AT&T Teleholdings, formerly Ameritech.
The Ohio Bell Telephone Company, now doing business as AT&T Ohio, is the Bell Operating Company serving most of Ohio and parts of West Virginia. It is a wholly owned subsidiary of AT&T.
Wisconsin Bell, Inc. is the name of the Bell Operating Company serving Wisconsin. It is owned by AT&T through AT&T Teleholdings, originally known as Ameritech.
Qwest Corporation is a Regional Bell Operating Company owned by Lumen Technologies. It was formerly named U S WEST Communications, Inc. from 1991 to 2000. It was also named Mountain States Telephone and Telegraph Company–later Mountain Bell from 1911 to 1991. In the early 2010s the Mountain Bell name was resurrected by CenturyLink, Inc. In other words, Mountain Bell Telephone Company still exists but the MB corporate name is no longer used from 1991 and afterwards. In other words, Mountain Bell now does business as the Lumen Technologies. It includes the former operations of Malheur Bell, Northwestern Bell and Pacific Northwest Bell as well. The NWBT and PNB companies still exist but no longer use the names for marketing or as corporate identities.
YP Holdings, now a wholly owned subsidiary of DexYP, is the American parent company for YP LLC. Its products include printed telephone directories, yp.com and YP app. YP offers local search, display ads and direct marketing. On July 31, 2012, YP was included in PaidContent50's list of "the world's most successful digital media companies" based on 2011 digital ad revenue.
SBC Long Distance LLC is a long-distance telephone company owned by AT&T that does business as AT&T Long Distance. SBC Long Distance competes with other long-distance providers who provide service within some of the Bell Operating Company service boundaries of AT&T. 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.
Dex One Corporation was an American marketing company providing online, mobile and print search marketing via their DexKnows.com website, print yellow pages directories and pay-per-click ad networks in the U.S.
The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by the American Telephone and Telegraph Company (AT&T), that dominated the telephone services industry in North America for over 100 years from its creation in 1877 until its antitrust breakup in 1983. The system of companies was often colloquially called Ma Bell, as it held a vertical monopoly over telecommunication products and services in most areas of the United States and Canada. At the time of the breakup of the Bell System in the early 1980s, it had assets of $150 billion and employed over one million people.
AT&T Corporation, commonly referred to as AT&T, an abbreviation for its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
Southwestern Bell Telephone Company, LLC is a wholly owned subsidiary of AT&T. It does business as other d.b.a. names in its operating region, which includes Arkansas, Kansas, Missouri, Oklahoma, Texas, and portions of Illinois. The company is currently headquartered in Dallas, Texas at One AT&T Plaza.
The Southern New England Telephone Company, doing business as Frontier Communications of Connecticut, is a local exchange carrier owned by Frontier Communications.
Media related to Indiana Bell at Wikimedia Commons
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