Area Code 742 at a Glance
| Area code | 742 |
| Region | Ontario |
| Country | Canada |
| Primary timezone | America/Toronto |
| Dialing format | +1 (742) NXX-XXXX |
Frequently Asked Questions
Where is area code 742?
Area code 742 serves Ontario, Canada.
Who is calling me from area code 742?
A call from area code 742 most likely originates from Ontario, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 742 number?
Within North America: dial 1-742 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 742 and the number.