Numbering plan areas and area codes of New Jersey

The area codes in the U.S. State of New Jersey are a component of the North American Numbering Plan.

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.

See also

References

  1. ^ Gray, Matt. "Number, please: 10th area code approved for N.J.", NJ Advance Media for NJ.com, May 2, 2017. Accessed May 3, 2017. "Neustar Inc., the company that administers area codes for the Federal Communications Commission, projected that the 609 area code would max out its phone number options by late 2018, prompting the request for the addition of 640.... Use of the new area code will begin in 2018."
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