437 Area Code
The 437 area code serves Toronto in Canada. Learn the cities and counties covered, the time zone, dialing format, and how to get a local 437 business number.
Cities & regions in the 437 area code (1)
Frequently asked questions
What area code is 437?+
437 is a North American Numbering Plan (NANP) area code in Canada, primarily covering Toronto.
Where is the 437 area code located?+
The 437 area code is located in Canada.
How do you dial the 437 area code from abroad?+
Dial your country's international exit code, then +1 437 followed by the 7-digit local number. From inside the US/Canada, dial 1 437 XXX-XXXX.
Can I get a 437 phone number for my business?+
Yes. AstraQom provisions local 437 DID numbers for SIP trunking, hosted PBX, contact centers and toll-free porting — usually within minutes, with no long-term contract.
Get a local 437 number for your business
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AstraQom is an independent global telecom carrier serving 117 countries. We provision local 437 DID numbers, SIP trunks, hosted PBX, contact-center routing and SD-WAN — all on Tier-1 carrier infrastructure with no grey termination and 24/7 multilingual support.