343 Area Code — Ottawa ON (Canadian), Ontario
About the 343 Area Code
Area code 343 serves Ottawa ON (Canadian), Ontario, part of the North American Numbering Plan allocated to Canadian telecommunications. Primary carriers include Bell Canada, Rogers Communications, and Telus Mobility, all operating under CRTC regulatory oversight. The 343 numbering plan area covers Ottawa in the Eastern time zone.
Key Information
- Region: Ottawa ON (Canadian)
- State / Province: Ontario
- Timezone: Eastern
- Major Cities: Ottawa
Carriers & Network Type for 343 Numbers
Network mix: Mixed — 343 numbers include mobile, landline, and VoIP lines.
Common Scam Patterns
FCC complaint data for 343 numbers includes:
- Robocall/Auto-dialer
- Extended warranty scam
- Health insurance offer
- IRS/Government impersonation
If You Got a Text from 343
Who Typically Calls from the 343 Area Code?
Area code 343 serves Ottawa ON (Canadian), Ontario, part of the North American Numbering Plan allocated to Canadian telecommunications. Primary carriers include Bell Canada, Rogers Communications, and Telus Mobility, all operating under CRTC regulatory oversight. The 343 numbering plan area covers Ottawa in the Eastern time zone. Calls from 343 numbers originate in Ottawa ON (Canadian), Ontario. Residents, local businesses, schools, medical offices, and government agencies in this region all use 343 numbers. If you received an unexpected call or text from a 343 number, it may be a neighbor, a local service provider, or — in some cases — an unwanted solicitor.
Because 343 is a legitimate, widely used area code, scammers sometimes spoof it to make their calls appear local and trustworthy. This technique — called neighbor spoofing — makes it more likely that recipients will answer. A reverse phone lookup is the fastest way to find out whether a 343 number is genuinely local or spoofed.
Is a 343 Phone Number Spam?
Not all 343 calls are spam, but the area code is not immune to robocall campaigns and phone scams. Common complaints about 343 numbers include warranty extension scams, debt collection harassment, IRS impersonation calls, and unsolicited insurance offers.
If a 343 number called you and didn't leave a voicemail, that's a red flag — legitimate callers typically leave a message. Use Who Sent That Text Message to look up the number instantly and see whether other users have flagged it as spam.
You can also report a suspicious 343 number directly from our lookup results, helping protect others in the community from the same caller.
Look Up a 343 Number Now
Enter any 343 area code phone number below and get instant results — carrier, line type, caller name (where available), and spam reports submitted by real users.
Other Area Codes in Ontario
Ontario has multiple area codes serving different regions. If the number you received isn't from 343, check one of the other Ontario area codes below.