343 Area Code
Ontario, Canada
Local time now · Eastern Time
3:44 AM
Area code 343 is in Ontario, Canada, serving Ottawa and Kanata. It uses Eastern Time — the time there now is 3:44 AM. 613 and 753 are overlays for the same area, so local calls need 10-digit dialing. In service since 2010.
| Area code | 343 |
|---|---|
| Location | Ontario, Canada |
| Major cities | Ottawa, Kanata |
| Time zone | Eastern Time |
| Overlay codes | 613, 753 |
| In service since | 2010 |
Other area codes in Ontario
Time zone converterAll area codes
Frequently asked questions
Where is area code 343?
Ontario, Canada — including Ottawa and Kanata.
What time zone is area code 343?
Eastern Time.
How do I call a 343 number from abroad?
Dial your international access code, then 1 (the country code), then 343 and the 7-digit number — for example +1 343 555 0100. From the UK or India dial 00 1 343 …; from Bangladesh 00 1 343 … .
Is a call from 343 a scam?
Not by itself — 343 is an ordinary geographic area code in Ontario. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.