Area code 742
742 is Mississauga, Brampton, Hamilton, Ontario.
Area code 742 at a glance
- Province
- Ontario
- Main cities
- Mississauga, Brampton, Hamilton, Markham, Vaughan, Oakville, Richmond Hill, Burlington
- Time zone
- Eastern Time
- Local time now
- --:--:--
- In service since
- 2021
289 covers the exact same area as 742 — both are dialed with all 10 digits.
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Calls to Canada start at $0.03/min from QuikRing.
Call now in your browserCalling 742 from inside the US or Canada
Dial 1, then 742, then the 7-digit number.
Calling a 742 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 742?
Area code 742 covers Mississauga, Brampton, Hamilton in Ontario.
What time is it in area code 742?
Area code 742 is in the Eastern Time time zone. See the live clock above for the current local time.
Is 289 the same area as 742?
Yes. 289 is an overlay of 742 — they cover the exact same area, so every call there needs all 10 digits dialed.
How do I get an area code 742 phone number?
Sign up for QuikRing and rent one of the available 742 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 742 from abroad?
Calls to Canada numbers, including area code 742, start at $0.03/min with QuikRing — no roaming plan or SIM needed.