North York is part of the city of Toronto, Ontario.
The city of Toronto uses area code 416 and overlay code 647, with an additional overlay 437 coming in 2013.
The near suburbs of Toronto use area code 905 and overlay code 289, with an additional overlay 365 coming in 2013.
Area code 248 is in that famous part of New York called "Oakland County, Michigan." Suburbs to the north-northwest of Detroit. Someone in New York who moved there from the Detroit area might have a mobile phone with area code 248.
North American Area Code 585 is a part of New York State that includes Rochester. Area Code 585 has been in service since November 15, 2001. From 1947 to 2001 it was part of Area Code 716.
Area code 647 is an overlay for area code 416, which is for the city of Toronto, Ontario, Canada.Area codes 416, 647, and 437 cover only the city of Toronto.The suburbs are in area code 905, with overlay codes 289 and 365.
Area code 631 is Suffolk County, New York, which is roughly the eastern half of Long Island.
Lake Ontario
The area code of 585 is located in the State of New York City. It was created in 2001 in order to separate the 716 area which was reduced to Buffalo and Western New York. Major surrounding communities include Rochester and Albion.
Country code +1 is North America (USA, Canada, etc.). Area code +1 845 is suburbs northwest of New York City, including Poughkeepsie.
The country code and area code of York, United Kingdom is 44, (0)1904.
Lake Ontario borders New York to the north.
lan
Ottawa is a city in Ontario, Canada, which is in North America. It is near the states of New York and Maine.
Upstate New York is the part of the State beginning between 25-50 miles north of New York City, north to the Canadian border and west to Niagara Falls and Lake Ontario. See the related link for a map that shows this area.