Geographic Overview of Area Code 438

Area code 438 is primarily used in the Montreal area, covering the Island of Montreal and its on-island suburbs, including Île Perrot in Quebec, Canada. The service area includes major cities and towns such as Montreal, Laval, and Longueuil. Additionally, it encompasses various neighborhoods and boroughs like Côte Saint-Luc, Hampstead, L'Île-Dorval, Montreal-Est, Montreal West, Mount Royal, and Westmount. This area code is an overlay for the 514 area code, meaning both cover the same geographic region and can be used interchangeably. Other area codes in the vicinity include 819/873 for Sherbrooke and 450/579 for Granby.