Area code 343
Get a 343 phone number
To get a 343 phone number, pick an available 343 number below and sign up for AvoCall. Your new number works for calls and texts on the phone you already own over WiFi or data. Current web pricing is verified at checkout. No second SIM and no new device are required.
- Location
- Ottawa, ON, Ontario
- Time zone
- Eastern (GMT -5)
- Related area codes
- Related:613
The 343 area code covers Ottawa, ON and nearby Ontario communities.
About the 343 area code
Phone numbers that start with 343 are Canadian, tied to Ottawa and a broad section of Ontario that includes Kingston, Belleville, Cornwall, and Pembroke. The region runs on Eastern time.
The code launched in 2010 as an overlay on area code 613 and now works alongside both 613 and 753 across one shared territory. Local calls in an overlay region are always dialed as full ten-digit numbers.
Dialing note: 343 is part of an overlay complex with 613, 753, so local calls in this area are dialed with all ten digits.
Numbering details on this page (service dates and overlay status) are checked against the NANPA numbering registry. Registry data as of 07/16/2026.
343 phone number FAQ
- How do I get a 343 phone number?
- Pick an available 343 number and sign up for AvoCall. Your new Ottawa, ON number works for calls and texts on your existing phone over WiFi or data. Current web pricing is verified at checkout. There is no second SIM and no new device.
- Where is the 343 area code?
- It serves Ottawa, ON and nearby cities in Ontario, including Ottawa, Bancroft, Belleville.
- Can I receive verification codes on a 343 number?
- AvoCall 343 numbers support calling and messaging. Verification-text compatibility varies by sender; short-code and 2FA delivery is not guaranteed.