343 area code
Area code 343 is in Ontario, Canada, including Ottawa, Kingston, Kanata and Orléans. It's on Eastern Time.
343 is an overlay area code: it was added on top of 613 and covers the same area, so new numbers there can get either code.
Eastern Time
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Business hours are taken as 9 AM to 5 PM on weekdays. US telemarketing rules only allow sales calls between 8 AM and 9 PM local time.
Cities in area code 343
| City | Time zone |
|---|---|
| Ottawa, ON | Eastern Time |
| Kingston, ON | Eastern Time |
| Kanata, ON | Eastern Time |
| Orléans, ON | Eastern Time |
| Brockville, ON | Eastern Time |
| Trenton, ON | Eastern Time |
| Carleton Place, ON | Eastern Time |
| Perth, ON | Eastern Time |
| Smiths Falls, ON | Eastern Time |
| Renfrew, ON | Eastern Time |
| Arnprior, ON | Eastern Time |
| Pembroke, ON | Eastern Time |
Other area codes in Ontario
More: look up another area code · time zone converter · US time zones map
Questions people ask
Where is area code 343?
Area code 343 is in Ontario, Canada, including Ottawa, Kingston, Kanata and Orléans.
What time zone is area code 343?
343 is on Eastern Time (UTC−5, UTC−4 in summer).
What time is it in area code 343 right now?
The live clock at the top of this page shows the current local time in area code 343.