What is 579 area code?

The 579 area code is an overlay of the 450 and 514 area codes in Quebec, Canada. It was introduced to meet the growing demand for telephone numbers in the region. The area code covers cities and towns in the southwestern part of the province, including: Brossard, Longueuil, Laval, Saint-Jean-sur-Richelieu, and Saint-Hyacinthe. The 579 area code was implemented on August 21, 2018, and requires 10-digit dialing for all calls within the region. The area code covers a total of 2,266,000 people and spans over an area of 3,115 km².