365 area code
Area code 365 is in Ontario, Canada, including Mississauga, Hamilton, Brampton and Oakville. It's on Eastern Time.
365 is an overlay area code: it was added on top of 905 and 289 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 365
| City | Time zone |
|---|---|
| Mississauga, ON | Eastern Time |
| Hamilton, ON | Eastern Time |
| Brampton, ON | Eastern Time |
| Oakville, ON | Eastern Time |
| Oshawa, ON | Eastern Time |
| St. Catharines, ON | Eastern Time |
| Markham, ON | Eastern Time |
| Newmarket, ON | Eastern Time |
| Burlington, ON | Eastern Time |
| Richmond Hill, ON | Eastern Time |
| Ajax, ON | Eastern Time |
| Niagara Falls, 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 365?
Area code 365 is in Ontario, Canada, including Mississauga, Hamilton, Brampton and Oakville.
What time zone is area code 365?
365 is on Eastern Time (UTC−5, UTC−4 in summer).
What time is it in area code 365 right now?
The live clock at the top of this page shows the current local time in area code 365.