List Of New Jersey Area Codes - Wikipedia
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The U.S. state of New Jersey is divided into six distinct geographic numbering plan areas (NPAs) in the North American Numbering Plan (NANP), which are served by a total of ten area codes. All but two of the numbering plan areas are overlay complexes with two area codes each.
| Areacode | Installationyear | ParentNPA | Overlay | Numbering plan area |
|---|---|---|---|---|
| 201 | 1947 | – | 201/551 | Northeastern New Jersey, primarily Bergen County and Hudson County |
| 551 | 2001 | 201 | ||
| 609 | 1956 | 201 | 609/640 | Trenton, Lawrenceville, Princeton, Medford, Atlantic City, Barnegat, Wildwood, Ocean City, Burlington, Cape May |
| 640[1] | 2018 | 609 | ||
| 732 | 1997 | 908 | 732/848 | Toms River, Edison, New Brunswick, Freehold, Red Bank, Woodbridge, Perth Amboy, Carteret |
| 848 | 2001 | 732 | ||
| 856 | 1999 | 609 | – | Camden, Cherry Hill, Glassboro, Vineland, Salem, Marlton, Clayton, Monroeville |
| 973 | 1997 | 201 | 862/973 | Essex County, Morris County, Passaic County, Sussex County, and small portions of Bergen and Hudson counties. |
| 862 | 2001 | 973 | ||
| 908 | 1991 | 201 | – | Elizabeth and Union County, Somerset County, Warren County, Hunterdon County, and parts of southern and western Morris County. |
In 1947, when the American Telephone and Telegraph Company (AT&T) devised the first continental telephone numbering plan, the entire state was a single numbering plan area, with area code 201, the first area code of the NANP.

In 1956, the southern half of New Jersey, with the state capital and the extended Philadelphia (PA) suburbs, was assigned area code 609,[2][3][4] with a class-4 toll office closer to the corresponding toll traffic. This separated the two population centers (Philadelphia suburbs, and New York City suburbs) into distinct call routing systems for out-of-state long-distance calls. However. until July 1963, New Jersey callers could dial any telephone in the state with seven-digit dialing, without using the area code. In July 1963 central office code protection was lifted and the use of the area code was mandatory when dialing out of the caller's numbering plan area.[5]
See also
[edit]- List of North American Numbering Plan area codes
References
[edit]- ^ Gray, Matt. "Number, please: 10th area code approved for N.J.", NJ Advance Media for NJ.com, 2017-05-02. Retrieved 2017-05-03
- ^ Department of Operation and Engineering (September 1956). "Section II". Notes on Distance Dialing. American Telephone and Telegraph Company.
- ^ "Brooklyn Telephone Directory 1957". New York Telephone Company. 1956-10-01. Retrieved 2023-02-15.
- ^ Sinks, William A. (Winter 1959). "New Numbers for Tomorrow's Telephones". Bell Telephone Monthly. 38 (4): 6.
- ^ "New Jersey Bell customers will begin using area codes". Redbank Register. 1963-06-20.
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- Area codes in New Jersey
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