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25 Ιαν 2023 · The history of cell phone carriers began before the invention of the cell phone. In 1877, the American Bell Telephone Company (named after Alexander Graham Bell) opened its first local exchange in New Haven, Connecticut.
During most of the 20th century, AT&T had a monopoly on phone service in the United States. The company began its history as the American District Telegraph Company, formed in St. Louis in 1878.
The American Telephone and Telegraph Company (AT&T) was a special company formed to provide long distance service; On December 31, 1899 capitalization of American Bell was transferred and AT&T became the parent company of the Bell System.
The roots of the communication age are found in the history of that evolution, primarily in the United States, and particularly in developments created by one company: American Telephone & Telegraph (AT&T).
In the United States, engineers from Bell Labs began work on a system to allow mobile users to place and receive telephone calls from automobiles, leading to the inauguration of mobile service on 17 June 1946 in St. Louis, Missouri. Shortly after, AT&T offered Mobile Telephone Service.
According to historian Robert W Garnet, in the six years after Bell's invention of the telephone in 1876, his new company managed to increase its capital from a small amount to US$10 million (equivalent to $320 million in 2023).
History of Phone Cards. Prepaid phonecards were invented in Europe in the mid Seventies. Calling cards took another 11 years to reach the US. Since then the calling card and phone card industry has grown exponentially worldwide. Today, phonecards are sold in over 185 countries across the world.
