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U.S. regional telephone company created by 1984 break of AT&T
A Regional Bell Operating Company (RBOC) was a corporate entity created as result of the antitrust lawsuit by the United States Department of Justice
Regional Bell Operating Company
Regional_Bell_Operating_Company
American telephone service monopoly (1877–1984)
corporation and the regional operating corporations to co-brand themselves under a single Bell System trademark. For each regional operating company, its name was
Bell_System
Defunct American telecommunications company
holding company based in Atlanta, Georgia. BellSouth was one of the seven original Regional Bell Operating Companies after the U.S. Department of Justice forced
BellSouth
Bell Operating Company owned by CenturyLink
CenturyLink QC, is a Regional Bell Operating Company owned by CenturyLink. It was originally named Mountain States Telephone and Telegraph Company, later becoming
Qwest_Corporation
Southwestern American subsidiary of AT&T
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
Southwestern_Bell
phone providers. The seven Regional Bell Operating Companies (RBOCs) were created as the result of the break-up of the Bell System in 1984. After numerous
List of United States telephone companies
List_of_United_States_telephone_companies
1982 US government action ending telephone monopoly
Telegraph Company (AT&T), which directly provided long-distance service, while local service was provided by 24 local Bell Operating Companies, which were
Breakup_of_the_Bell_System
Organization that provides telephone and/or other telecommunications services
standards) Regional Bell Operating Company (in the U.S.) Service provider Service layer Value-added service or content provider Companies portal Telephones
Telecommunications_company
American telecommunications company
8, 1984, the company became a subsidiary of Ameritech, the Regional Bell operating company that served the midwestern United States. Ameritech was subsequently
Michigan_Bell
American telecommunications company
subsidiary of US West, a then-newly formed Regional Bell Operating Company. US West consolidated its three main operating subsidiaries in 1991. US West merged
Pacific_Northwest_Bell
Subsidiary of AT&T
telecommunications company that arose out of the 1984 AT&T divestiture. Ameritech was one of the seven Regional Bell Operating Companies created following
Ameritech
Former telephone company in Ohio, US
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
Ohio_Bell
Canadian telecommunications company
Bell Canada operated as the Canadian subsidiary of the Bell System from 1880 to 1975. However, unlike the other regional Bell operating companies, Bell
Bell_Canada
Telephone company in California
Bell Telephone Company (Pac Bell) doing business as AT&T California is a telephone company that provides telephone service in California. The company
Pacific_Bell
Jersey Bell off into a Regional Bell Operating Company, along with the 21 other BOCs AT&T had a majority stake in. On January 1, 1984, New Jersey Bell became
Verizon_New_Jersey
Delaware subsidiary of Verizon
Regional Bell Operating Company Bell Atlantic. In 1994, Bell Atlantic chose to "unify" its brand by legally renaming all of its telephone companies,
Verizon_Delaware
local services were regional Bell operating companies, but not all local telephone companies were a regional Bell operating company or tied to one at the
Local_telephone_service
for vendors to design equipment compatible with a typical Regional Bell Operating Company (RBOC) central office (CO). This would result in lower development
Network Equipment-Building System
Network_Equipment-Building_System
Telecommunications history
purchased by one of the Regional Bell Operating Companies, the former Southwestern Bell Company, in 2005, and the combined company became known as AT&T Inc
History_of_AT&T
Telecommunications company
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
Indiana_Bell
American telephone service company (1983–2000)
U S West, Inc. was one of seven Regional Bell Operating Companies (RBOCs, also referred to as "Baby Bells"), created in 1983 under the Modification of
US_West
Company that provides local phone service
the United States are served by LECs called Baby Bells, or RBOCs (Regional Bell Operating Companies). The rest of the United States, most commonly in
Local_exchange_carrier
Geographical area of the United States, used in telephone service
"Baby Bells" or created since that time for wireline regulation. Generally, a LATA represents an area within which a divested Regional Bell Operating Company
Local Access and Transport Area
Local_Access_and_Transport_Area
Topics referred to by the same term
Independent Television, a Nigerian broadcaster Ameritech, a former Regional Bell Operating Company that had NYSE ticker symbol AIT Applied Industrial Technologies
AIT
Area code in Georgia, United States
of New York), and it was home to BellSouth (now part of AT&T), then the Southeastern Regional Bell Operating Company. An additional NPA was added to both
Area_code_770
Surge protectors between a telephone exchange and outside plant
circuit and where the incumbent local exchange carrier or Regional Bell Operating Company receives it. Their primary purpose is to protect central office
Heat_coil
American communications services provider
individually. Since the divested company no longer had any ownership connection with the Regional Bell Operating Companies (Baby Bells), the name was changed to
Iconectiv
American telecommunications company
up the Bell System. Bell Atlantic Corporation was created as one of the original "Baby Bell" Regional Bell Operating Companies (RBOCs). Bell Atlantic's
Verizon
Electronic telephone switch
deployed throughout the US and Canada by Regional Bell Operating Companies, Bell Canada and independent telephone companies as well as the US Military. The DMS-250
Digital_Multiplex_System
Defunct American Bell Operating Company
(PacTel) was one of the seven Regional Bell Operating Companies, sometimes also referred to as "RBOCs" or "Baby Bells", created in 1983 in preparation
Pacific_Telesis
American telecommunications company
two companies in the old Bell System in which AT&T Corporation only owned minority stakes. Therefore, neither was considered a Regional Bell Operating Company
Altafiber
Former Baby Bell telecom company
traded as Bell of Pennsylvania, is the Bell Operating Company serving most of Pennsylvania. The company was founded in 1879 as Bell Telephone Company of Philadelphia
Verizon_Pennsylvania
Telephone company
Company (AT&T). After the 1984 Breakup of the Bell System, Wisconsin Telephone became a part of Ameritech, one of the seven Regional Bell Operating Companies
Wisconsin_Bell
City in California, United States
cable system was operated by a cooperative called Palo Alto Cable Coop.[citation needed] The former Regional Bell Operating Company in Palo Alto was Pacific
Palo_Alto,_California
Telecommunications company owned by Verizon
divided into the Regional Bell Operating Companies, or "Baby Bells", the C&P Telephone companies became part of Bell Atlantic. In 1994, Bell Atlantic renamed
Verizon_Maryland
Telephone company in the mid-Atlantic US
Telegraph Company, became part of a Regional Bell operating company named NYNEX. The company was referred to as "New York Telephone, a NYNEX Company" before
Verizon_New_York
Area codes for Washington, D.C.
spring 1990, C&P Telephone (later part of Bell Atlantic and now Verizon), the Regional Bell Operating Company for the District, advised the North American
Area_codes_202_and_771
American businessman
Southwestern Bell in 1963 as a facility engineer. In October 1988, Whitacre became president and chief operating officer of a regional bell operating company, Southwestern
Edward_Whitacre_Jr.
Canadian telecommunications company
province have a Bell Aliant head office; instead the headquarters functions would be spread across its constituent companies. The telecom operating subsidiaries
Bell_Aliant
American telecommunications company
individual companies. These new companies were known as Regional Bell Operating Companies, or more informally, Baby Bells. Southwestern Bell Corporation
AT&T
Telecommunication company
Alascom in 1995. Alaska was also never served by any of the Regional Bell Operating Companies. Alascom and General Communications, Inc. have been the two
AT&T_Alascom
Former American telecommunications company
January 1, 1984, as the result of the breakup of the Bell System, NYNEX was a Regional Bell Operating Company which was made up of former subsidiaries of AT&T
NYNEX
American telecommunications company (1885–2024)
like the Regional Bell Operating Companies or RBOCs were often called "Baby Bells". Ironically, "Ma Bell" was acquired by one of its "Baby Bells", SBC Communications
AT&T_Corporation
Monument in Brantford, Ontario, Canada
The Bell Memorial (also known as the Bell Monument or Telephone Monument) is a memorial designed by Walter Seymour Allward to commemorate the invention
Bell_Memorial
1982 case in U.S. antitrust law
led to the 1984 Bell System divestiture, and the breakup of the old AT&T natural monopoly into seven regional Bell operating companies and a much smaller
United_States_v._AT&T_(1982)
the Bell System divestiture created the 7 Regional Bell Operating Company (RBOC) structure that were no longer constrained to placing AT&T's Bell Labs
Telecom_Valley
North American local directory assistance number
provided by local telephone companies, including those of the former Bell System or subsequent Regional Bell Operating Companies (RBOCs). Telephone carriers
411_(telephone_number)
Defunct northeast American communications firm
Communications and BellSouth to become The New AT&T. The Bell System, a name and trademark formerly used by AT&T. The Regional Bell Operating Companies, which were
New England Telephone and Telegraph Company
New_England_Telephone_and_Telegraph_Company
Former Baby Bell telecom company
Chesapeake and Potomac Telephone Company, usually known as C&P Telephone, is a former d/b/a name for four Bell Operating Companies providing service to Washington
C&P_Telephone
Telephone Company, operating as AT&T Illinois; Indiana Bell Telephone Company, Inc., operating as AT&T Indiana; International Bell Telephone Company, formed
Alexander Graham Bell honors and tributes
Alexander_Graham_Bell_honors_and_tributes
American telecommunications company
CenturyLink would become owner of Former Regional Bell Operating Company, US West, due to Qwest's purchase of the company in the year 2000. In July 2011, CenturyLink
Lumen_Technologies
Integrated telephone numbering plan of twenty North American countries
of New York, and it was home to BellSouth (now part of AT&T), then the Southeastern Regional Bell Operating Company, with AT&T's fiber optics manufacturing
North_American_Numbering_Plan
Type of telecommunications company
operations of smaller telecommunications companies. Monopoly Liberalization Deregulation Regional Bell operating company Mobile virtual network operator Local
Competitive local exchange carrier
Competitive_local_exchange_carrier
Telephone switching system
its long-haul network, and several were owned by various Regional Bell Operating Companies (RBOCs). In 2007, over 140 4ESS switches remained in service
No. 4 Electronic Switching System
No._4_Electronic_Switching_System
Keeping a phone number when switching carriers
capability, LNP was deployed sequentially to the remaining Regional Bell Operating Company (RBOC) areas. The FCC since has mandated Wireless Local Number
Local_number_portability
Defunct international data communications network
in 2000 when Bell Atlantic, one of the Regional Bell Operating Companies, merged with GTE. Prior to its transformation into Verizon, Bell Atlantic had
Tymnet
U.S. communications company
the company's vestiges are now part of Verizon Wireless. At the time of the Bell System divestiture in 1984, each Regional Bell Operating Company (Baby
AirTouch
one of the four largest national telecommunication companies (Rogers Wireless, Telus Mobility, Bell Mobility and Freedom Mobile) or one of their subsidiary
List of mobile network operators in Canada
List_of_mobile_network_operators_in_Canada
Hacker group
Loop-Around Test Lines that led to collaborations to hack Regional Bell Operating Company phone switches and the various minicomputers and mainframes
Masters_of_Deception
American computer company (1986–2008)
Packard Bell helped to pioneer the mass market for PCs in the United States by selling in big office stores. In the early 1990s, the company entered the
Packard_Bell
Voice message storage and retrieval
had high capacity systems in use internally by all seven Regional Bell Operating companies, launched a new generation of its large system specifically
Voicemail
Telephony technology for screen-based devices
technology introduced in the United States and rolled out to Regional Bell Operating Companies (RBOCs) from Bellcore in April 1995, (very soon after the
Analog display services interface
Analog_display_services_interface
Office skyscraper in Chicago, Illinois
Telephone & Telegraph Company monopoly into several entities with local service providers becoming part of a Regional Bell Operating Company. In the decade that
Franklin_Center_(Chicago)
("Ma Bell") local operating subsidiaries. They regrouped into seven Regional Bell Operating Companies (RBOCs), commonly referred to as "Baby Bells", resulting
History of the telephone in the United States
History_of_the_telephone_in_the_United_States
Computer time-sharing service (1964–1984)
in 2000 when Bell Atlantic, one of the Regional Bell Operating Companies, merged with GTE. Prior to its transformation into Verizon, Bell Atlantic had
Tymshare
Reserve Bank of India (i) Runs batted In RBOC – (a/i) Regional Bell Operating Company ("Baby Bell") RC – see entry RCA (i) Radio Corporation of America
List_of_acronyms:_R
Canadian wireless network operator
prepaid PC Telecom, operate as MVNOs on the Bell Mobility network. Some of Bell Canada's regional subsidiaries continue to operate their own wireless networks
Bell_Mobility
Defunct American company
deregulate by the federal government. By establishing the seven Regional Bell Operating Company (RBOC) carriers as independent entities, the U.S. market for
ADC_Telecommunications
Pupinization Receiver Off-Hook tone (ROH) Red telephone box Red box Regional Bell Operating Company (RBOC) Ringer equivalency number (REN) Ringing signal Rural
List_of_telephony_terminology
List of terms created from a person's name
Telcordia Technologies), Regional Bell Operating Company, Bell Canada – companies. Glen Bell, American restaurateur - Taco Bell Francis Bellamy, American religious
List_of_eponyms_(A–K)
1996 U.S. legislation overhauling telecommunications regulations and laws
communications requests that are handled by multiple firms. Regional Bell Operating Companies, which were previously subjected to strict regulations to
Telecommunications Act of 1996
Telecommunications_Act_of_1996
Generally the term is used only in large US phone companies called Regional Bell Operating Companies (RBOCs). Installing a telephone line is a complex
Recent change memory administration center
Recent_change_memory_administration_center
branch exchange Public switched telephone network Rate center Regional Bell Operating Company Ringaround Satellite phone Sidetone StarTAC Telecommunications
Index of telephone-related articles
Index_of_telephone-related_articles
American telecommunications equipment company
divestiture of the Regional Bell Operating Companies (RBOCs). It supplied network equipment to both the RBOCs and independent telephone companies in the United
Adtran
Type of telephone carrier in the US and Canada
are companies in existence at the time of the breakup of AT&T into the Regional Bell Operating Companies (RBOCs), also known as the "Baby Bells". Various
Incumbent local exchange carrier
Incumbent_local_exchange_carrier
Court case
COMMUNICATIONS COMMISSION and United States of America, Respondents. Bell Atlantic Telephone Companies, et al., Intervenors. United States Court of Appeals, District
United States Telecom Association v. FCC (2004)
United_States_Telecom_Association_v._FCC_(2004)
American services company and former manufacturer of film machinery
Bell and Howell is an American brand of cameras, lenses, and motion picture machinery. It was originally founded as a company in 1907, and headquartered
Bell_&_Howell
Service that sends phone caller's number to the recipient of the phone call
would be free to adopt the name for ubiquity. The other regional Bell operating companies later adopted the name and eventually became the generally accepted
Caller_ID
standard man-machine language to manage network elements for the Regional Bell Operating Companies (RBOCs). It is based on Z.300 series man machine language
Transaction_Language_1
Intellectual property holding company for former Bell System brands
AT&T in 1984, the Bell Logo and Trademarks had been granted to Bellcore, to own and manage on behalf of the seven Regional Bell Operating Systems (RBOCs)
Bell_IP_Holdings
United States legal case
Telecommunications Act of 1996 place limitations on the entrance of the Regional Bell Operating Companies (RBOCs) into the in-region long-distance service market. SBC
SBC Communications, Inc. v. FCC
SBC_Communications,_Inc._v._FCC
American telecommunications company
divided among the Regional Bell Operating Companies as part of the Bell System divestiture. With the exception of Pacific Bell and BellSouth Mobility DCS
AT&T_Mobility
Local online service
Inquirer, and the Omaha World-Herald. In the mid 1980s the Regional Bell Operating Companies (RBOCs) had installed packet-switching (X.25) networks, from
Boston_CitiNet
American electronics distribution company
to challenge the American Bell Telephone Company (renamed AT&T in 1899), which led to a patent infringement suit and Bell ultimately being named the
Graybar
American business executive (born 1940)
president of US West, Inc., the new regional Bell operating company. McCormick was elected president and chief operating officer in 1986, chief executive
Richard_D._McCormick
U.S. government agency
seven independent "Regional Holding Companies", also known as Regional Bell Operating Companies (RBOCs), or "Baby Bells". This divestiture reduced the book
Federal Communications Commission
Federal_Communications_Commission
American technology company
Inc., is an American multinational technology company headquartered in Morristown, New Jersey. The company provides software and services for customer experience
Avaya
Bell Operating Company in the Northeast US
Verizon New England, Inc., is a Bell Operating Company that once covered most of New England but now only serves most of Massachusetts and all of Rhode
Verizon_New_England
American competitive local exchange carrier
first wholesale commercial agreement between a CLEC and a Regional Bell Operating Company following the US Federal Court mandate that overturned government
Sage_Telecom
logistics, and the financial, legal and manufacturing sectors. Many companies maintain a regional base in Manchester—serving Greater Manchester, North West England
List of companies based in Greater Manchester
List_of_companies_based_in_Greater_Manchester
Technical documentation series
Bell Service Practices (and variations) referred to the plant and technical reference maintained by the various Regional Bell Operating Companies. Lucent
Bell_System_Practices
Canadian radio broadcaster
Bell Media Radio, G.P. (formerly CHUM Radio), operating publicly as iHeartRadio Canada, is the radio broadcasting and audio division of Bell Media, a subsidiary
Bell_Media_Radio
American ice cream company
Blue Bell Creameries is an American food company that manufactures and sells ice cream. As of 2015,[update] Blue Bell was the #2 selling ice cream manufacturer
Blue_Bell_Creameries
telecommunication industry was the breakup of the Bell System into regional Bell Operating Companies (RBOCs) or "Baby Bells" in the early 1980s. The challenge since
Telecommunications policy of the United States
Telecommunications_policy_of_the_United_States
American telecommunications company (1996-2006)
Corporation, which included Western Electric and Bell Labs. Lucent was acquired by the French technology company Alcatel on December 1, 2006, forming Alcatel-Lucent
Lucent_Technologies
Mixed-use
the breakup of the Bell System (AT&T) in 1984, and the formation the Regional Bell Operating Companies, also known as the Baby Bells, Pacific Telephone
140_New_Montgomery
Canadian media company
(formerly known as Bell Canada Enterprises, the owner of telecommunications company Bell Canada). Its operations include national television broadcasting and
Bell_Media
US electronics manufacturer founded in 1933
partnership ended. In 1928, Bell formed a new venture with Edward Jackson called Jackson Bell Radio Company. Jackson left when Bell suggested producing higher
Packard_Bell_Corporation
American directory company
from its directories. In 2011, it removed the trade names of its Bell Operating Companies (a practice adopted in 2002), reduced the size of the AT&T logo
YP_Holdings
Geographic area used to determine telephone services
still exists. Incumbent local exchange carriers, such as the regional Bell operating companies, have typically resisted rate center consolidation because
Rate_center
travel, tourism, insurance
REGIONAL BELL-OPERATING-COMPANY
REGIONAL BELL-OPERATING-COMPANY
REGIONAL BELL-OPERATING-COMPANY
REGIONAL BELL-OPERATING-COMPANY
REGIONAL BELL-OPERATING-COMPANY
REGIONAL BELL-OPERATING-COMPANY
REGIONAL BELL-OPERATING-COMPANY
REGIONAL BELL-OPERATING-COMPANY
REGIONAL BELL-OPERATING-COMPANY
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