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Evolution of area codes in Ontario and southwestern Quebec. The initial area codes were created in 1947 as routing codes for operator-assisted calls. Quebec and Ontario were the only provinces that received multiple area codes. Quebec was split between area codes 514 and 418. Area code 514 was originally assigned to the entire western half of ...
Telephone numbers in Canada follow the fixed-length format of the North American Numbering Plan (NANP) of a three-digit area code, a three-digit central office code (or exchange code), and a four-digit station or line code. This is represented as NPA NXX XXXX. [1]
Area codes with two identical trailing digits are easily ... 514: Quebec (Montreal metropolitan area) 1947: ... (Ottawa metropolitan area and southeastern Ontario) 1947:
Ontario and Quebec were the only provinces that received assignments of multiple area codes by the American Telephone and Telegraph Company (AT&T) when the original North American area codes were created in 1947. The eastern part of Quebec received area code 418, while area code 514 was assigned for the western part. Nominally, northwestern ...
The original North American area codes were established by the American Telephone and ... 514: CA:QC: Quebec (western half, including ... , Ontario, Quebec
Area code 450 entered service in 1998. The numbering plan area completely surrounds area code 514, which was confined to the Island of Montreal and a few surrounding islands, and so it is one of the six pairs of "doughnut area codes" in the numbering plan, and the only one in Canada (Toronto's area code 416 also borders Lake Ontario).
Area code 819 thus bordered area code 613 and the new area code 705 in Ontario, area code 418 in the east and the north of Quebec, and the remainder of area code 514 in the south of Quebec. When telephone service was introduced in the eastern Northwest Territories (most of which is now the territory of Nunavut , created in 1999), in Frobisher ...
An area code overlay is a numbering plan area (NPA) in the North American Numbering Plan (NANP) ... Toronto, Ontario: 438: 514: Island of Montreal, Quebec: 442: 760: