The area code 917 is located in New York City, New York.
Area code 917 is a citywide overlay for New York City, New York, covering all five boroughs at the core of the NYC metropolitan area. Established in 1992, it was the first overlay in the North American Numbering Plan and became closely linked with the city’s booming 1990s cell phones and pagers before expanding to all phone services. Today, 917 works alongside 212, 718, 646, 347, 929, and 332, which means 10-digit dialing is required for every local call within NYC. A 917 phone number signals a true New York City connection, whether it’s for mobile, landline, or VoIP.
Because 917 spans the entire city, it reaches many of the world’s most famous neighborhoods and landmarks:
You can’t pinpoint a specific borough from a 917 area code, because overlays cover the whole city and numbers are portable across carriers and services. For residents, businesses, and startups, a 917 number offers instant NYC recognition and broad availability without changing older numbers. It helps meet demand in one of the world’s busiest calling regions, while keeping local identities intact across the five boroughs. > “New York City is home to more than 8 million people.” — U.S. Census Bureau
In short, area code 917 is a flexible, citywide overlay that keeps NYC phone numbers running smoothly across Manhattan, Brooklyn, Queens, the Bronx, and Staten Island—connecting everything from skyscrapers and stadiums to neighborhoods and small businesses.