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Area code 942 serves the city of Toronto, Ontario, Canada.
Area code 942 is an overlay to area codes 416, 647, and 437. Area code 416 was assigned in 1947, 647 was introduced on March 5, 2001, and 437 started operation on March 25, 2013. Area code 942 was activated on April 26, 2025. Ten-digit dialing is mandatory in this region.
Area code 942 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 942 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, Ontario geographic region, and local calling area associated with the phone number.
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