Telephone companywikipedia
telephone companytelecommunications companytelephone companiestelcotelcostelecommunications companiestelecommunications operatorcarriersphone companiestelephone service provider

Common carrier

common carriercarriercommon carriers
Telephone companies are common carriers, and in the United States are also called local exchange carriers.
Public airlines, railroads, bus lines, taxicab companies, phone companies, internet service providers, cruise ships, motor carriers (i.e., canal operating companies, trucking companies), and other freight companies generally operate as common carriers.

Bell Telephone Company

Bell TelephoneAmerican BellBell
In 1913, a telephone trust ended and more than 20,000 independent telephone companies were able to use the trunk lines of Bell Telephone Company.
The American Bell Telephone Company evolved into the American Telephone & Telegraph Company (AT&T), at times the world's largest telephone company.

Zak McKracken and the Alien Mindbenders

The plot follows Zak (full name Francis Zachary McKracken), a writer for the National Inquisitor, a tabloid newspaper (the name is a thinly veiled allusion to the National Enquirer); Annie Larris, a freelance scientist; along with Melissa China and Leslie Bennett, two Yale University coed students, in their attempt to prevent the nefarious alien Caponians (who have taken over "The Phone Company", an amalgamation of various telecommunication companies around the world) from slowly reducing the intelligence of everybody on Earth by emitting a 60 Hz "hum" from their "Mind Bending Machine".

Monopoly

monopolymonopoliesmonopolistic
Many telephone companies were at one time government agencies or privately owned but state-regulated monopolies.
It is the largest cable company and home Internet service provider in the United States, and the nation's third largest home telephone service provider.

Telecommunications service provider

telecommunications service providertelecomtelecommunications
A telephone company, also known as a telco, telephone service provider, or telecommunications operator, is a kind of communications service provider (CSP) (more precisely a telecommunications service provider or TSP) that provides telecommunications services such as telephony and data communications access.

Public switched telephone network

public switched telephone networkPSTNtelephone network
The task of building the networks and selling services to customers fell to the network operators.

Mobile network operator

mobile network operatorwireless carriernetwork operator
With the advent of mobile telephony, telephone companies now include wireless carriers, or mobile network operators.

List of telephone operating companies

List of telephone operating companies § Japantelecom companiesList of telecommunications companies in Brazil

TDS Telecom

TDS Telecom
TDS Telecom is an American telecommunications company with headquarters in Madison, Wisconsin.

Telia Company

TeliaSoneraTelia Stofa
Telia Company AB (formerly TeliaSonera) is a Swedish dominant telephone company and mobile network operator present in Sweden, Finland, Norway, Denmark, Lithuania, Latvia and Estonia.

CenturyLink

CenturyLinkCenturyLink PrismCenturyTel
CenturyLink, Inc. is an American telecommunications company, headquartered in Monroe, Louisiana, that provides communications and data services to residential, business, governmental, and wholesale customers in 37 states.

Cincinnati Bell

Cincinnati BellCincinnati Bell Telephone CompanyCincinnati Bell FiOptics
Cincinnati Bell is the dominant telephone company for Cincinnati, Ohio, its nearby suburbs, and the Dayton metropolitan area in the U.S. states of Ohio, Indiana and Kentucky.

Optus

OptusCable and Wireless OptusSingTel/Optus
Singtel Optus Pty Limited d/b/a Optus is the second largest telecommunications company in Australia.

Fox Sports Networks

FSNFox Sports NetFox Sports
Depending on their individual team rights, some Fox Sports Networks maintain overflow feeds available via digital cable, telco and satellite providers in their home markets, which may provide alternate programming when not used to carry game broadcasts that the main feed cannot carry due to scheduling conflicts.

Automatic number announcement circuit

automatic number announcement circuitANACautomatic number announcement
An automatic number announcement circuit (ANAC) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a line.

Tele2

Tele2Tele+2Tele2-Versatel joint venture
Tele2 AB is a European telecommunications operator headquartered in the Kista Science City, Stockholm, Sweden.

List of Canadian telephone companies

Canadian telephone companiesCanadian telecommunication
This is a list of telephone companies in Canada.

Gibtelecom

Gibtelecom is the largest telecommunications provider in the British overseas territory of Gibraltar.

China Unicom

China UnicomChina United Network CommunicationsChina Unicom (Hong Kong) Limited
China United Network Communications Group Co., Ltd. or China Unicom is a Chinese state-owned telecommunications operator of China.

Mercury Communications

MercuryMercury Communications LtdMercury International Group plc
Mercury Communications was a national telephone company in the United Kingdom, formed in 1981 as a subsidiary of Cable & Wireless, to challenge the then-monopoly of British Telecom (BT).

América Móvil

Claro SportsAmerica MovilAmerica Movil S.A.B. de C.V. Series L
América Móvil is a Mexican telecommunications corporation headquartered in Mexico City, Mexico.

NYNEX

NYNEX CorporationNYNEX Science & Technology
NYNEX Corporation was a telephone company that served five New England states (Maine, Massachusetts, New Hampshire, Rhode Island and Vermont) as well as most of New York state from 1984 through 1997.

Pacific Bell

Pacific Telephone & TelegraphPacific BellPacific Telephone and Telegraph Company
The Pacific Bell Telephone Company (Pacific Bell) is a telephone company that provides telephone service in California.

List of historical British telcos

This is a list of Telecommunications companies that either existed prior to British Telecom's privatization, or, if created subsequently to BT's privatization, took over telecoms networks that existed prior to the privatization.