Area codes 819 and 873 are area codes for central and western Quebec, Canada, including the Quebec portion of the National Capital Region, and the entire Hudson Strait and Ungava Bay coastlines of Quebec. Major cities in the 819 territory include Gatineau, Sherbrooke and Trois-Rivières. The incumbent local exchange carriers in 819/873 are Bell Canada, Bell Aliant, Telus, as well as Télébec and other independent companies. From 1992 to 1997, Northwestel was also an incumbent carrier in 819 as it included former Bell Canada points in the Northwest Territories.