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  2. Telephone exchange names - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange_names

    An old 2L-5N format appears in the song title "PEnnsylvania 6-5000" (phone number PE 6-5000), recorded by Glenn Miller. The inspiration for that song, the Hotel Pennsylvania in New York City, held that phone number as +1-212-736-5000 until its closure in April 2020.

  3. Speaking clock - Wikipedia

    en.wikipedia.org/wiki/Speaking_clock

    In Australia, the number 1194 was the speaking clock in all areas. The service started in 1953 by the Post Master General's Department, originally to access the talking clock on a rotary dial phone, callers would dial "B074", during the transition from a rotary dial to a DTMF based phone system, the talking clock number changed from "B074" to 1194.

  4. Original North American area codes - Wikipedia

    en.wikipedia.org/wiki/Original_North_American...

    Telephone dial number card of c.1948 with the local telephone number 4-5876 in Atlantic City, NJ, using the central office prefix 4, later converted to AT4 Face of a 1939 rotary telephone dial with the telephone number LA-2697, which includes the first two letters of Lakewood, New Jersey, as the central office prefix, later converted to LA6.

  5. History of telephone numbers in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/History_of_telephone...

    PhONEday, on 16 April 1995, changed the area code from 0734 to 01734, and then almost a year later, on 8 April 1996, it changed again to (0118). At that time, local numbers were changed from six to seven digits by inserting a 9 in front of the old local number. Parallel running of the old numbering was withdrawn on 9 January 1998.

  6. History of the telephone in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone...

    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 in 1982 and replaced by a system of competitors.

  7. Rotary dial - Wikipedia

    en.wikipedia.org/wiki/Rotary_dial

    The Australian letter-to-number mapping was A=1, B=2, F=3, J=4, L=5, M=6, U=7, W=8, X=9, Y=0, so the phone number BX 3701 was in fact 29 3701. When Australia around 1960 changed to all-numeric telephone dials, a mnemonic to help people associate letters with numbers was the sentence, "All Big Fish Jump Like Mad Under Water eXcept Yabbies."

  8. Timeline of the telephone - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_telephone

    20 March 1880: National Bell Telephone merges with others to form the American Bell Telephone Company. 1 April 1880: world's first wireless telephone call on Bell and Tainter's photophone (distant precursor to fiber-optic communications) from the Franklin School in Washington, D.C. to the window of Bell's laboratory, 213 meters away. [20] [21]

  9. Seven-digit dialing - Wikipedia

    en.wikipedia.org/wiki/Seven-digit_dialing

    A rural telephone number, often party line, had often up to four digits and a letter or letter and digits to indicate which of the multiple parties on the line was desired. Various methods were used to convert these to dialable numbers as dial systems replaced manual switchboards; many moderately-large cities used a 2L-4N format where "ADelaide ...