Toronto, Ontario · EST/EDT (UTC-5)
Toronto and surrounding Greater Toronto Area (overlay with 416/647)
Third overlay for Toronto. Canada uses the same NANP numbering plan as the US.
Area code 437 is in Toronto, Ontario. It covers Toronto and surrounding Greater Toronto Area (overlay with 416/647).
Area code 437 (Toronto, Ontario) is in the EST/EDT time zone (UTC-5 standard time, UTC-4 during Daylight Saving Time).
Area code 437 itself is legitimate — it serves Toronto, Ontario. However, scammers can spoof any area code. If you receive an unexpected call from 437, verify the caller's identity before sharing personal information. Legitimate businesses in Toronto will use this code.
Area code 437 (Toronto) is in the EST/EDT zone. Check the live clock at whattime.city/toronto/ for the current time.