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Area code 201 was the original, sole area code for New Jersey in 1947, when the American Telephone and Telegraph Company (AT&T) devised the first continental telephone numbering plan. It was also the first area code assigned in the numbering plan.
Area code 973 was created on June 1, 1997, in a split of area code 201, [1] [2] which was the original area code for of all of New Jersey when the North American Numbering Plan was inaugurated for nationwide operator dialing in 1947. In 1958, the numbering plan area of 201 was cut back to the northern half of the state, and in 1991 to just the ...
[2] Despite the division into two numbering plan areas, all calls within the state of New Jersey were dialed without area codes until July 21, 1963. [3] [4] [5] This configuration of two area code in New Jersey remained in place for c. 35 years, until 1991, when the 201 numbering plan area was further divided to create area code 908 in its ...
Numbering plan areas and area codes of New Jersey Map of numbering plan area 201/551. Area codes 201 and 551 are telephone area codes in the North American Numbering Plan (NANP) in the U.S. State of New Jersey. Area code 201 was the area code assigned to the entire state of New Jersey in 1947, when the North American area code system was formed.
With the increasing demand for telephone numbers by businesses, increased used of fax machines, pagers and cell phones, area code 609 exhausted its numbering capacity. [5] Area code 856 was announced by Bell Atlantic in March 1999, and was approved by the New Jersey Board of Public Utilities shortly thereafter.
List of New Jersey area codes; 0–9. Area codes 201 and 551; Area codes 609 and 640; Area codes 732 and 848; Area code 856; Area code 908; Area codes 973 and 862
As a result, while North Jersey went from one area code to four during the 1990s, 609 remained the sole area code for the southern half of New Jersey for 41 years. By the late 1990s, the proliferation of cell phones and pagers, particularly in the Philadelphia suburbs, Trenton, and in Atlantic City, necessitated a new area code in South Jersey.
After the success of these trials, [23] [27] expansion of the numbering plan accelerated with new crossbar systems and four new area codes in 1953, and seven in 1954. By the end of the decade thirty-one new area codes had been created in addition to the initial allotment of 1947. [28] to satisfy the post-war surge in demand for telephone service.