Area Code 742 Location & Details
State / Region: Ontario • Country: Canada
Major Cities Covered: Ontario And Surrounding Communities
Where is Area Code 742 Located?
Telephone area code 742 is assigned to Ontario in Canada. It serves cities and metropolitan communities including Ontario And Surrounding Communities.
For local and long-distance calls within area code 742, standard 10-digit dialing (742) XXX-XXXX applies.
Who Called Me from Area Code 742?
Received an unknown call, missed call, or text scam from area code 742? Here is how to trace who is calling from 742 area code and verify unknown numbers safely:
Legitimate contacts usually leave a detailed voicemail or caller ID record.
Robocallers often fake incoming caller ID numbers using your local 742 prefix to boost pick-up rates.
Search public white-pages or use caller intelligence guides before returning unfamiliar calls.
How to Call Area Code 742 & Dialing Format
When placing a phone call to a number in area code 742, follow the correct dialing format depending on your calling location:
- Calling from inside the US / Canada (+1): Dial
1 + (742) + 7-digit number. - Calling from an international location outside +1: Dial your country's international exit code (e.g.
011in US or+on mobile) +1+742+7-digit number. - Do I need to dial area code 742 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.
Top Cities & Municipalities Served in Area Code 742
Urban centers, census places, and communities within the +1-742 calling area
| City Name | County | Population | % of 742 Pop |
|---|---|---|---|
| Ontario And Surrounding Communities | Ontario County | 250,000 | 100.0% |
Counties Covered by Area Code 742
Geographic county distribution and population coverage across Ontario
| County Name | Total Population | % of 742 Area | % of County |
|---|---|---|---|
| Ontario County | 112,733 | 100.0% | 100% |
☎️Area Code 742 Exchange Prefixes & Carriers
Showing 15 of 15 central office 3-digit prefixes and assigned telecom carriers
| Prefix | Line Usage | Rate Center | Assigned Carrier | Assign Date |
|---|---|---|---|---|
| (742) 200- | 📞Landline | Ontario and surrounding communities | Bell Canada | 01/11/2007 |
| (742) 201- | 📱Wireless | Ontario and surrounding communities | Rogers Communications | 04/18/2008 |
| (742) 202- | 📞Landline | Ontario and surrounding communities | Telus Mobility | 12/24/2006 |
| (742) 203- | 📞Landline | Ontario and surrounding communities | Videotron | 12/18/2006 |
| (742) 204- | 📱Wireless | Ontario and surrounding communities | Shaw Telecom | 01/24/2007 |
| (742) 205- | 💻VoIP | Ontario and surrounding communities | Bandwidth.com | 05/12/2011 |
| (742) 206- | 📞Landline | Ontario and surrounding communities | Bell Canada | 01/24/2007 |
| (742) 207- | 📞Landline | Ontario and surrounding communities | Bell Canada | 07/22/1999 |
| (742) 208- | 📱Wireless | Ontario and surrounding communities | Rogers Communications | 01/25/2007 |
| (742) 209- | 📱Wireless | Ontario and surrounding communities | Rogers Communications | 01/26/2007 |
| (742) 210- | 📞Landline | Ontario and surrounding communities | Telus Mobility | 07/22/1999 |
| (742) 212- | 📱Wireless | Ontario and surrounding communities | Rogers Communications | 06/13/2000 |
| (742) 214- | 📞Landline | Ontario and surrounding communities | Bell Canada | 10/13/1999 |
| (742) 215- | 📞Landline | Ontario and surrounding communities | Videotron | 07/22/1999 |
| (742) 218- | 📞Landline | Ontario and surrounding communities | Telus Mobility | 10/13/1999 |
Frequently Asked Questions about Area Code 742
Where is area code 742 located?
Area code 742 is located in Ontario (Canada), serving cities like Ontario And Surrounding Communities.
What timezone is area code 742?
Area code 742 operates in the Eastern / Central timezone.
What state is area code 742?
Area code 742 is assigned to the state / telecom territory of Ontario.
Is area code 742 a scam or dangerous?
Area code 742 is an official geographic area code for Ontario. However, beware of robocaller spoofing.
Ontario State Area Codes
View complete directory of telephone area codes assigned to Ontario.
Explore Ontario DirectoryGet a 742 Business Phone Number
How to acquire a virtual phone number or business line with area code 742 for local customer trust in Ontario.
Get 742 Business NumberCheck high-risk international callback scam area codes and robocall warning databases.
Scam Area Codes 2026Overlay & Nearby Area Codes for Ontario
Explore neighboring telecom prefixes sharing geographical boundaries with area code 742.