Area code 437
Area code 437 is a telephone area code in the North American Numbering Plan. It serves Ontario, Canada.
- 437area code
- ONOntario
- CAcountry
- 25-Mar-13in service
How to dial a 437 number
From within the United States and Canada, dial 1, then 437, then the seven-digit number. From another country, dial your international access code, then +1 437 and the seven-digit number.
Area code 437 covers the same territory as 416 and 647. When several area codes share one area like this, it is called an overlay.
Other area codes in Ontario
226, 249, 289, 343, 365, 382, 416, 519, 548, 613, 647, 683, 705, 742, 753, 807, 905, 942
Frequently asked questions
Where is area code 437?
Area code 437 serves Ontario, Canada.
What is the country code for a 437 number?
Numbers with North American area codes use the country calling code +1.