<P> Area codes 514 and 438 are the telephone area codes for Montreal and most of its on - island suburbs . They cover the Island of Montreal, Île Perrot, and Île Bizard in the province of Quebec . </P> <P> The main area code, 514, was one of the 86 original North American Numbering Plan Areas defined in 1947 . 438 is an overlay area code covering the same area . The 514 area code has been split twice; in 1957 to create area code 819 and in 1998 to create area code 450 . </P>

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