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Area code 579 covers the suburbs of Montreal in the province of Quebec, encompassing the Montérégie region, extending south to the New York border.
Area code 579 is an overlay to area code 450. This means that both area codes serve the same geographic region. Area code 450 entered service in 1998. Area code 579 was introduced effective August 21, 2010. Area code 354 was formally assigned as of February 2, 2019 as an additional area code for the 450/579 overlay complex and is now in use since October 22, 2022.
Area code 579 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 579 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Quebec geographic region, and local calling area associated with the phone number.
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