Area codes 450 and 579

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Longueuil

Area codes 450 and 579 are telephone area codes in the Canadian province of Quebec, encompassing the off-island suburbs of Montreal, which is served by area codes 514 and 438. The 450 area code is also shared by several small communities in an adjacent part of Ontario: some landline customers in Chute-à-Blondeau (East Hawkesbury), near Pointe-Fortune have 450-451-xxxx numbers from the Rigaud phone exchange.

Area code 450 was created in 1998 when 514 was confined to the Island of Montreal. Among the cities served by area code 450 are Longueuil and Laval. The communities of Ormstown, Huntingdon, Boucherville, Varennes, Roussillon, Joliette, Saint-Hyacinthe, Granby, Chambly, Saint-Jean-sur-Richelieu and Vaudreuil-Dorion are also part of this area code.

On May 7, 2009, the CRTC ruled that area code 438 would be extended to overlay both 450 and 514.[1] However, a later decision revised it and ruled that 579 would overlay 450 on its own, effective August 21, 2010.[2]

The main incumbent local exchange carrier is Bell Canada, plus some independent companies.

Places that use this area code[edit]

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Quebec area codes: 418, 438, 450, 514, 579, 581, 819
North: 819
West: 613, 819 Area code 450/579 completely surrounding 438/514 East: 819
South: 518, 802
New York area codes: 212, 315, 347, 516, 518, 585, 607, 631, 646, 716, 718, 845, 914, 917, 929
Ontario area codes: 226, 249, 289, 343, 365, 416, 519, 613, 647, 705, 807, 905
Vermont area codes: 802

Coordinates: 45°37′N 73°56′W / 45.61°N 73.94°W / 45.61; -73.94