289 area code
Area code 289 is in Ontario, Canada, including Hamilton, Oshawa, Niagara Falls and Burlington. It's on Eastern Time.
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 289
| City | Time zone |
|---|---|
| Hamilton, ON | Eastern Time |
| Oshawa, ON | Eastern Time |
| Niagara Falls, ON | Eastern Time |
| Burlington, ON | Eastern Time |
| St. Catharines, ON | Eastern Time |
| Brampton, 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 289?
Area code 289 is in Ontario, Canada, including Hamilton, Oshawa, Niagara Falls and Burlington.
What time zone is area code 289?
289 is on Eastern Time (UTC−5, UTC−4 in summer).
What time is it in area code 289 right now?
The live clock at the top of this page shows the current local time in area code 289.