Province
Ontario
Time zone
Eastern Time
Country
Canada (+1)
Cities in the 343 area code
Major communities served by 343 include:
Overlay codes for this area
The 343 region shares its territory with these codes — which is why you dial all 10 digits for local calls:
Dialing a 343 number
Within Canada and the United States, dial all ten digits — 343 plus the seven-digit number. Ten-digit dialing is required here because 343 shares its territory with 613, 753. From outside North America, dial +1 343 and then the number.
Is a 343 call spam?
The 343 area code is a legitimate code for Eastern Ontario — it isn't a scam on its own. But because scammers can spoof caller ID to display any area code, an unexpected 343 call isn't guaranteed to be local or genuine. When in doubt, let it go to voicemail and call back using a number you trust.
Want a local 343 number for your business?
Voiswitch provides local 343 numbers on business phone systems — or ports the one you already have. Free quote, no obligation.
343 area code — questions
Where is the 343 area code?
The 343 area code is in Ontario, Canada. It covers Eastern Ontario, including Ottawa, Kingston.
What time zone is the 343 area code in?
343 numbers are in the Eastern Time zone.
Is the 343 area code a scam?
No — 343 is a legitimate geographic area code assigned to Eastern Ontario in Ontario. The code itself isn't a scam. That said, scammers can spoof any area code (including 343) to make a call look local, so an unexpected 343 call isn't guaranteed to be genuine or nearby. Treat unsolicited calls with the usual caution no matter what area code shows.
How do you dial a 343 number?
Within Canada and the US, dial all ten digits — 343 followed by the seven-digit number (ten-digit dialing is required because 343 overlaps with 613, 753). From outside North America, dial +1 343 and then the number.
Is 343 an overlay area code?
The 343 area shares the same territory as 613, 753. Because multiple codes overlap, you dial all 10 digits for local calls.
Can I get a 343 number for my business?
Yes — Voiswitch can provide local 343 numbers, and if you already have one, we can port it to your new phone system. Get a free quote to add a local 343 number.