Area code 343
Area code 343 is a telephone area code in the North American Numbering Plan. It serves Ontario, Canada.
- 343area code
- ONOntario
- CAcountry
- 17-May-10in service
How to dial a 343 number
From within the United States and Canada, dial 1, then 343, then the seven-digit number. From another country, dial your international access code, then +1 343 and the seven-digit number.
Area code 343 covers the same territory as 613 and 753. When several area codes share one area like this, it is called an overlay.
Other area codes in Ontario
226, 249, 289, 365, 382, 416, 437, 519, 548, 613, 647, 683, 705, 742, 753, 807, 905, 942
Frequently asked questions
Where is area code 343?
Area code 343 serves Ontario, Canada.
What is the country code for a 343 number?
Numbers with North American area codes use the country calling code +1.