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Learn about the history and usage of fictitious telephone numbers in movies, music and other media. Find out why 555-555-5555 is not a valid number in North America and what are some examples of famous phone numbers.
Learn about the history and usage of telephone exchange names or central office names, which were assigned to switching systems in different localities. Find out how they were dialed, displayed, and replaced by numeric systems in various countries.
Learn about the history and location of the area codes 718, 347, and 929, which cover the New York City boroughs of the Bronx, Brooklyn, Queens, and Staten Island, as well as Marble Hill, Manhattan. Find out how they are related to other area codes in New York City and how they are used in popular culture.
555 is a central office code in the North American Numbering Plan, used for directory assistance and fictional numbers in media. Learn about its history, usage, and examples of 555 numbers in TV shows, films, and songs.
Find out the current and future area codes for different regions of New York state, including New York City, Long Island, and upstate New York. See the map, the year of assignment, and the overlays for each area code.
Learn about the history and current status of the area codes for most of Manhattan in New York City. Find out how they were created, overlaid, and perceived by the public and businesses.
Area code 917 is an overlay code for all five boroughs of New York City, introduced in 1992 to relieve number shortages. It is also used for cellular, pager, and voicemail applications, and was the first overlay area code in the North American Numbering Plan.
Learn how telephone numbers are written and dialed in different countries and regions, according to the ITU recommendation E.123. Compare the formats, lengths, prefixes and codes of landline, mobile, toll free and service numbers.