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The first telephone directory, printed in New Haven, Connecticut, United States, in November 1878. Telephone directories are a type of city directory. Books listing the inhabitants of an entire city were widely published starting in the 18th century, before the invention of the telephone.
As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers.
Telephone numbers were first used in 1879 in Lowell, Massachusetts, when they replaced the request for subscriber names by callers connecting to the switchboard operator. [2] Over the course of telephone history , telephone numbers had various lengths and formats and even included most letters of the alphabet in leading positions when telephone ...
The District Telephone Company of New Haven went into operation with only twenty-one subscribers, who paid $1.50 per month. By 21 February 1878, however, when the first telephone directory was published by the company, fifty subscribers were listed.
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up and replaced by a system of competitors.
Nutt was hired by Alexander Graham Bell, who is credited with inventing the first practical telephone; apparently she changed jobs from a local telegraph office. She was paid a salary of $10 per month for a 54-hour week. [5] Reportedly, she could remember every number in the telephone directory of the New England Telephone Company. [5]
Coy in the Bell Telephone Magazine. George Willard Coy (November 13, 1836 – January 15 or 23, 1915) was an American mechanic, inventor and entrepreneur. He ran the first commercial telephone exchange in 1878 and was involved in the production of the first telephone directory.
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
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