437 Area Code
Ontario, Canada
Local time now · Eastern Time
3:43 AM
Area code 437 is in Ontario, Canada, serving Toronto. It uses Eastern Time — the time there now is 3:43 AM. 416 and 647 are overlays for the same area, so local calls need 10-digit dialing. In service since 2013.
| Area code | 437 |
|---|---|
| Location | Ontario, Canada |
| Major cities | Toronto |
| Time zone | Eastern Time |
| Overlay codes | 416, 647 |
| In service since | 2013 |
Other area codes in Ontario
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Frequently asked questions
Where is area code 437?
Ontario, Canada — including Toronto.
What time zone is area code 437?
Eastern Time.
How do I call a 437 number from abroad?
Dial your international access code, then 1 (the country code), then 437 and the 7-digit number — for example +1 437 555 0100. From the UK or India dial 00 1 437 …; from Bangladesh 00 1 437 … .
Is a call from 437 a scam?
Not by itself — 437 is an ordinary geographic area code in Ontario. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.