Area Code 437 — Ontario
This is a Canadian area code
Area code 437 is located in Ontario, Canada. Canada shares the North American Numbering Plan (NANPA) with the US, so Canadian numbers use the same 10-digit format. Calls between the US and Canada may or may not be included in your plan — check with your carrier, as international rates can apply.
Area code 437 is located in Ontario, Canada and operates on Eastern Time . The largest city served is Toronto . View all Canadian area codes →
Area Code Details
- Area Code
- 437
- State / Province
- Ontario (ON)
- Country
- Canada
- Time Zone
- Eastern Time Eastern Time
- Local Time Now
- —
- Status
- Active
- Code Type
- General Purpose Code
- In Service Since
- March 25, 2013
- Assigned
- July 25, 2011
- Population Served
- ~2,794,356 est.
- Overlay Complex
- 416/437/647
Cities Served
History & Relationships
Split from
416Overlay complex — shares geography with
Rate Centers & Exchanges
1 rate centers identified within area code 437
Other Area Codes in Ontario
View all →Nearby Area Codes
Frequently Asked Questions About Area Code 437
What state is area code 437?
Area code 437 is located in Ontario.
Where is area code 437 from?
Area code 437 originates from Ontario. It operates in the Eastern Time zone.
What time zone is area code 437?
Area code 437 falls within the Eastern Time zone (Eastern Time).
What cities are in area code 437?
Area code 437 serves cities including Toronto.
Is a call from area code 437 a scam?
Area code 437 is a legitimate Canadian area code serving Ontario. Like any area code, individual numbers using 437 can be used for scam calls. Note that calls from 437 are international calls from Canada — unexpected calls may incur charges. Always verify the specific number if you receive an unexpected or suspicious call.