Area code 917 is atelephonearea code in theNorth American Numbering Plan for the entirety ofNew York City. It is anoverlay code to all numbering plan areas (NPAs) in the city, and was intended to servecellular,pager, andvoicemail applications in the city. The restriction was subsequently ruled impermissible by theFederal Communications Commission (FCC) whichgrandfathered that use in New York City. Area code 917 is also assigned to landlines predominantly in Manhattan, to relieve the shortage of numbers there.

The original area code for all of New York City's boroughs was212, established with the North American Numbering Plan in 1947. In 1984, the numbering plan area (NPA) was divided by splitting Brooklyn, Queens, and Staten Island into a separate numbering plan area witharea code 718, reducing 212 to only Manhattan and the Bronx.

In 1990, TheNew York Telephone Company wanted to assign a new area code (917) to all cellphones and pagers in Manhattan and all telephone lines in the Bronx, to relieve number shortages in Manhattan, but theNew York Public Service Commission denied the request.^[1]

Instead, in 1992, numbering plan area 212 was reduced to Manhattan, with the exception ofMarble Hill, which, along with the Bronx, was integrated into 718. All boroughs were provided with the additional area code 917, arranged in an overlay plan.

Introduced on February 4, 1992,^[2] area code 917 was the first overlay area code in the North American Numbering Plan. When it was established, all cellphones in New York City were switched to 917, freeing up telephone numbers for additional landlines.^[3]

Shortly after the establishment of the 917 code, the FCC ruled that restriction of area codes to particular types of service was prohibited, but the instance of 917 remained exempt.^[4]

• List of New York area codes
• List of NANP area codes

• North American Numbering Plan Administrator
• NANPA Area Code Map of New York
• Whitepages Area code Map
• List of exchanges from AreaCodeDownload.com, 917 Area Code

40°43′42″N73°59′39″W / 40.72833°N 73.99417°W /40.72833; -73.99417

• Area codes in the United States
• Area codes in New York (state)
• Communications in New York City
• Telecommunications-related introductions in 1992
• 1992 establishments in New York City

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• Articles with short description
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• Use mdy dates from November 2018
• Coordinates on Wikidata