The 647 area code serves the city of Toronto and its surrounding areas in the Canadian province of Ontario. This includes the downtown core, Etobicoke, North York, Scarborough, and parts of York and Durham regions. Some of the other cities and towns that are covered by the 647 area code include: Mississauga, Brampton, Markham, Vaughan, Richmond Hill, Pickering, Ajax, Whitby, Oshawa, and Oakville.