Area Code 579
(418 and 581 and 367) - (450 and 579)
(514 and 438) - (819 and 873)
Area Code 579 History:
Area code 579 was officially put into service as an overlay of area code 450.
Area code 354 will be put into service as a distributed overlay of area codes 450/579 in the geographic area surrounding Montreal, Quebec. The original planned implementation date 10/24/2020 has been postponed until such time as area code 354 is needed.
Major cities or places in Quebec within area code 579 include:
Area codes 450 and 579 serve the many suburbs of Montreal including the communities of Boucherville, Chambly, Joliette, Laval, Longueuil, Varennes, Roussillon, and Saint-Hyacinthe. Montreal is served by 514 and 438.