Area Code 437 Location & Details
State / Region: Ontario • Country: Canada
Major Cities Covered: Toronto
Where is Area Code 437 Located?
Telephone area code 437 is assigned to Ontario in Canada. It serves cities and metropolitan communities including Toronto.
For local and long-distance calls within area code 437, standard 10-digit dialing (437) XXX-XXXX applies.
Who Called Me from Area Code 437?
Received an unknown call, missed call, or text scam from area code 437? Here is how to trace who is calling from 437 area code and verify unknown numbers safely:
Legitimate contacts usually leave a detailed voicemail or caller ID record.
Robocallers often fake incoming caller ID numbers using your local 437 prefix to boost pick-up rates.
Search public white-pages or use caller intelligence guides before returning unfamiliar calls.
How to Call Area Code 437 & Dialing Format
When placing a phone call to a number in area code 437, follow the correct dialing format depending on your calling location:
- Calling from inside the US / Canada (+1): Dial
1 + (437) + 7-digit number. - Calling from an international location outside +1: Dial your country's international exit code (e.g.
011in US or+on mobile) +1+437+7-digit number. - Do I need to dial area code 437 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.
Top Cities & Municipalities Served in Area Code 437
Urban centers, census places, and communities within the +1-437 calling area
| City Name | County | Population | % of 437 Pop |
|---|---|---|---|
| Toronto | Ontario County | 250,000 | 100.0% |
Counties Covered by Area Code 437
Geographic county distribution and population coverage across Ontario
| County Name | Total Population | % of 437 Area | % of County |
|---|---|---|---|
| Ontario County | 112,733 | 100.0% | 100% |
☎️Area Code 437 Exchange Prefixes & Carriers
Showing 15 of 15 central office 3-digit prefixes and assigned telecom carriers
| Prefix | Line Usage | Rate Center | Assigned Carrier | Assign Date |
|---|---|---|---|---|
| (437) 200- | 📞Landline | Toronto metropolitan area | Bell Canada | 01/11/2007 |
| (437) 201- | 📱Wireless | Toronto metropolitan area | Rogers Communications | 04/18/2008 |
| (437) 202- | 📞Landline | Toronto metropolitan area | Telus Mobility | 12/24/2006 |
| (437) 203- | 📞Landline | Toronto metropolitan area | Videotron | 12/18/2006 |
| (437) 204- | 📱Wireless | Toronto metropolitan area | Shaw Telecom | 01/24/2007 |
| (437) 205- | 💻VoIP | Toronto metropolitan area | Bandwidth.com | 05/12/2011 |
| (437) 206- | 📞Landline | Toronto metropolitan area | Bell Canada | 01/24/2007 |
| (437) 207- | 📞Landline | Toronto metropolitan area | Bell Canada | 07/22/1999 |
| (437) 208- | 📱Wireless | Toronto metropolitan area | Rogers Communications | 01/25/2007 |
| (437) 209- | 📱Wireless | Toronto metropolitan area | Rogers Communications | 01/26/2007 |
| (437) 210- | 📞Landline | Toronto metropolitan area | Telus Mobility | 07/22/1999 |
| (437) 212- | 📱Wireless | Toronto metropolitan area | Rogers Communications | 06/13/2000 |
| (437) 214- | 📞Landline | Toronto metropolitan area | Bell Canada | 10/13/1999 |
| (437) 215- | 📞Landline | Toronto metropolitan area | Videotron | 07/22/1999 |
| (437) 218- | 📞Landline | Toronto metropolitan area | Telus Mobility | 10/13/1999 |
Frequently Asked Questions about Area Code 437
Where is area code 437 located?
Area code 437 is located in Ontario (Canada), serving cities like Toronto.
What timezone is area code 437?
Area code 437 operates in the Eastern timezone.
What state is area code 437?
Area code 437 is assigned to the state / telecom territory of Ontario.
Is area code 437 a scam or dangerous?
Area code 437 is an official geographic area code for Ontario. However, beware of robocaller spoofing.
Ontario State Area Codes
View complete directory of telephone area codes assigned to Ontario.
Explore Ontario DirectoryGet a 437 Business Phone Number
How to acquire a virtual phone number or business line with area code 437 for local customer trust in Ontario.
Get 437 Business NumberCheck high-risk international callback scam area codes and robocall warning databases.
Scam Area Codes 2026Overlay & Nearby Area Codes for Ontario
Explore neighboring telecom prefixes sharing geographical boundaries with area code 437.