Area Code 437 at a Glance
| Area code | 437 |
| Region | Toronto, ON |
| Country | Canada |
| Primary timezone | America/Toronto |
| Dialing format | +1 (437) NXX-XXXX |
Frequently Asked Questions
Where is area code 437?
Area code 437 serves Toronto, ON, Canada.
Who is calling me from area code 437?
A call from area code 437 most likely originates from Toronto, ON, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 437 number?
Within North America: dial 1-437 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 437 and the number.