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Get a 742 Area Code Virtual Phone Number for Greater Toronto
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Where is the 742 Area Code?
The 742 area code is located in Ontario, Canada, covering the Greater Toronto Area and the surrounding Golden Horseshoe region in Southern Ontario. It serves the region around Toronto, including Hamilton, and operates as an overlay alongside area codes 905, 289, and 365 within the same geographic territory. The 742 area code was officially activated by the North American Numbering Plan (NANP) on October 16, 2021, to meet growing demand and expand number availability in the region.
Key Locations Overview of the 742 Area Code:
- Province: Ontario (ON)
- Regional Municipalities (Partial or Complete Coverage): Niagara Peninsula, Hamilton, Halton, Peel, York, Durham, and parts of Northumberland County.
- Key Cities: Hamilton, Mississauga, Brampton, Ajax, Aurora, Burlington, Welland, Oshawa, Markham, Niagara Falls, Oakville, Thorold, Vaughan, Richmond Hill, Newmarket, Pickering, Whitby, St. Catharines, Grimsby and Caledonia.

Time Zone
The 742 area code region in Southern Ontario, Canada, operates on the Eastern Time Zone (ET), shared across the Greater Toronto Area, Hamilton, and the broader Golden Horseshoe region. The area observes Daylight Saving Time (DST) seasonally, where clocks move forward by 1 hour in spring and move back by 1 hour in fall.
- Standard Time: Eastern Standard Time (EST) – UTC−5 / GMT−5
- Daylight Saving Time: Eastern Daylight Time (EDT) – UTC−4 / GMT−4
What Kind of Businesses are in the 916 Area Code?
The 742 area code region across the Greater Toronto and Hamilton Area (GTHA) supports a diverse economy, with major industries including financial services, technology, manufacturing, healthcare, logistics, and retail. Covering key cities such as Mississauga, Brampton, Hamilton, and Markham. Supporting this strong business activity, the Greater Toronto Area recorded a nominal
GDP of approximately CAD $522.38 billion in 2022, contributing significantly to Ontario's economy, which surpassed
CAD $1 trillion in 2026. This reflects the region's strong business environment and its major contribution to both the provincial and national economy.
Key Economic Sectors in the 742 Area Code
- Financial & Banking Services: Royal Bank of Canada, TD Canada Trust, Scotiabank, Sun Life Financial, Manulife Financial
- Technology & Innovation: IBM Canada, Siemens Canada, Celestica, Rogers Communications, OpenText
- Automotive & Manufacturing: General Motors Canada, Ford Canada, Honda Canada, Toyota Canada, Magna International
- Healthcare & Life Sciences: Hamilton Health Sciences, Trillium Health Partners, Halton Healthcare, William Osler Health System, McMaster University Health Sciences
Overview of 742 Area Code in Canada
742 number was officially activated by the North American Numbering Plan (NANP) on October 16, 2021, as an overlay for existing 905, 289, and 365 numbers. It was split from the 416 original number. An overlay is created to manage the increasing demand for phone numbers without changing the existing number, generating millions of new phone numbers. Adding a new phone prefix doesn’t affect special numbers, including 911 and 411, and will still be dialed by three digits.
Since the 1940s, a standard 10-digit NANP number format has been implemented for all numbers. In the format 742-XXX-XXXX, 742 represents an area code, XXX denotes three-digit prefixes, and the remaining XXXX represents a 4-digit line number. Currently, the 742 number includes 110 prefixes assigned from 742-200-XXXX through 742-999-XXXX.
Search 742 Telephone Numbers for Business and Personal Communication in Ontario
Explore Calilio’s 742 numbers tailored for business and personal interactions in Ontario. Choose a dedicated virtual number that fits your business requirements and needs.
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Note:
The first USA or Canada local number is free for each user after sign-up. Additional numbers are charged at $2 per number/month.
Some numbers require ID and address verification to comply with local regulations. Certain numbers may also require A2P 10DLC registration to send SMS or MMS to the United States.
Some numbers may not appear in the search results because they are available only upon request and are not generally offered to customers. Please contact Support for assistance.

How to Dial a 742 Area Code Phone Number?
The 742 area code follows the North American Numbering Plan (NANP), which standardizes 10-digit dialing for all local calls within the 742 area code region. This is required due to the 742 area code overlay with area codes 905, 289, and 365, making 10-digit dialing necessary instead of traditional 7-digit dialing.
However, for long-distance calls made to the 742 area code from the USA and Canada, callers must start with "1" before the full 10-digit number. Similarly, for international callers, the number starts with the country's exit code or "+1" (Canada's country code), followed by the 10-digit number. The exact dialing formats for the 742 area code are listed below:
- Local Calls: 742 + XXX-XXXX
- Long-Distance (US & Canada): 1 + 742 + XXX-XXXX
- International Calls: +1 742 XXX-XXXX

Nearby Area Code
Powerful Business Features With a 742 Phone Number
How to Get 742 Area Code Virtual Number using Calilio?
Calilio makes it simple to get a virtual phone number with the 742 area code, allowing businesses to establish a local presence across the Greater Toronto and Hamilton Area without needing multiple physical office setup. Follow the step-by-step process mentioned below to get a virtual phone number from Calilio.
Sign up for a Calilio account and log in to access your dashboard.
Go to the left sidebar and tap the plus icon (+) beside the Number area.
You'll arrive at the My Number screen; pick the United States as the country to get a 742 area code number.
Choose the Number Type, then pick the Capabilities (SMS, Voice, MMS).
Scroll further, pick an available number from the options, and hit the "Add to Cart" button.
Finally, input your name and select Confirm Purchase in the cart to finish payment and activate your virtual number.
Upgrade Your Phone System Without Retaining the 742 Ontario Phone Number
Maintain your brand identity and customer trust by porting your 742 number on Calilio. Avoid disruption and keep your familiar number.

What Are the Benefits of Using a 742 Area Code Number from Calilio?
A 742 area code number from Calilio helps your business build a trusted local presence across the Greater Toronto and Hamilton Area, making it easier for customers to connect with you professionally and efficiently.
Establish a Local Identity in the GTA
Get a GTA Number Without Being There
Stay Reachable Across Every Device
Boost Visibility in Local GTA Searches
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Frequently asked questions
Is 742 a scam number?
The 742 area code is not a scam number. It is a legitimate Canadian area code assigned to the Greater Toronto and Hamilton Area in Southern Ontario. However, like any area code, individual callers may use it for spam or fraud, so always verify unknown callers before sharing personal information.
What is the difference between 742 and 905?
Who uses the 742 area code?
Are there any benefits to having a 742 area code number?
Is 742 is a toll-free number in Canada?
What cities or regions use the 742 area code?

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