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2. List of New York area codes - Wikipedia

   en.wikipedia.org/wiki/List_of_New_York_area_codes

   New York City: Manhattan only; overlays with 212, 332, and 917 680: 2017: Syracuse, Utica, Watertown, and north central New York; overlay of 315 716: 1947 Buffalo, Dunkirk-Fredonia, Olean, Jamestown, Niagara Falls, Tonawanda and western New York; will be overlaid by 624 in 2024 718: 1984 New York City: all except Manhattan; overlays with 347 ...

3. Area codes 212, 646, and 332 - Wikipedia

   en.wikipedia.org/wiki/Area_codes_212,_646,_and_332

   For the next 37 years, New York City was one of the largest toll-free calling zones in North America. On February 1, 1984, in response to a request from New York Telephone, the New York Public Service Commission voted to create a second area code for New York City. The split was implemented in a way that divided the city's three million ...

4. Area codes 718, 347, and 929 - Wikipedia

   en.wikipedia.org/wiki/Area_codes_718,_347,_and_929

   For the first 37 years after the establishment of the North American Numbering Plan in 1947, all of New York City was a single numbering plan area (NPA), area code 212.In 1984, New York Telephone asked the New York Public Service Commission to divide New York City into multiple numbering plan areas to "prevent an impending exhaustion of telephone numbers."

5. Telephone exchange names - Wikipedia

   en.wikipedia.org/wiki/Telephone_exchange_names

   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]

6. 411 (telephone number) - Wikipedia

   en.wikipedia.org/wiki/411_(telephone_number)

   Direct-distance dialing (DDD) was first introduced in areas with common-control switching (panel and crossbar) in the 1950s.These areas had used 411 for directory assistance, and because of the ability of common-control switching to analyze the initial digits of a number in a "sender" before routing the call, these areas did not require the dialing of an initial 1 to initiate a long-distance call.

7. 555 (telephone number) - Wikipedia

   en.wikipedia.org/wiki/555_(telephone_number)

   The 555 exchange is not reserved in area codes used for toll-free phone numbers. This led to the video game The Last of Us accidentally including the number to a phone-sex operator. [9] The number "555-2368" (or 311-555-2368) is a carryover from the "EXchange 2368" ("Exchange CENTral") number common in telephone advertisements as early as the ...