<Tr> <Th> Area code (s) </Th> <Td> 201, 203, 212, 215, 267, 272, 347, 475, 484, 516, 518, 551, 570, 609, 610, 631, 646, 718, 732, 845, 848, 860, 862, 908, 914, 917, 929, 973 </Td> </Tr> <Tr> <Td_colspan="2"> Highest elevation 4,180 ft / 1,274 m (Slide Mountain (Ulster County, New York), in the Catskill Mountains). Lowest elevation 0 ft / 0 m (sea level) at the Atlantic Ocean, Long Island Sound, and at Hudson River estuary waterways . </Td> </Tr> <P> The New York metropolitan area, also referred to as the Tri-State Area, includes the most populous city in the United States (New York City), Long Island, and the Mid - and Lower Hudson Valley in the state of New York; the five largest cities in New Jersey: Newark, Jersey City, Paterson, Elizabeth, and Edison, and their vicinities; six of the seven largest cities in Connecticut: Bridgeport, New Haven, Stamford, Waterbury, Norwalk, and Danbury, and their vicinities; and five counties in northeastern Pennsylvania . </P> <P> As per the 2015 United States Census Bureau estimates, the New York metropolitan area remains, by a significant margin, the most populous in the United States, as defined by both the Metropolitan Statistical Area (20.2 million residents) and the Combined Statistical Area (23.7 million residents); it is also one of the most populous urban agglomerations in the world, and the single largest in North America . The New York metropolitan area continues to be the premier gateway for legal immigration to the United States, with the largest foreign - born population of any metropolitan region in the world . The MSA covers 6,720 sq mi (17,405 km), while the CSA area is 13,318 sq mi (34,493 km), encompassing an ethnically and geographically diverse region . The New York metropolitan area's population is larger than that of the state of New York, and the metropolitan airspace accommodated over 130 million passengers in 2016 . </P>

List of cities in new york metro area
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