The 437 area code belongs to the Ontario (ON) province of Canada and some of the locations covered are Toronto and its surrounding towns:
|Province||Larger cities in area code 437||Time Zone|
Current time is
|-- overlays area code 416 --|
437 is a new overlay area code serving the city of Toronto along with area codes 416 and 647. Area code 437 was announced in July, 2011 and activated on March 25, 2013. All Toronto local calls must be dialed using 10 digits.
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