Ten-digit dialing

Due to the growing demand of phone numbers, 2 new area codes are being introduced to the greater Toronto area effective March 25, 2013.

New Area Codes Existing Area Codes
437 416/647
365 905/289

What you need to know

  • New telephone numbers assigned in the 416/647 region may be given the 437 area code.
  • New telephone numbers assigned in the 905/289 region may be given the 365 area code.
  • Existing customers will keep their current area codes and phone numbers.
  • Local and long distance calling for the new 437 code will be the same as the current 416 and 647 area codes.
  • Local and long distance calling for the new 365 code will be the same as the current 905 and 289 area codes.

For more information about the new area codes, consult their respective pages on the CRTC Web site.

Ten-digit dialing in Ontario

What you need to know

  • In areas where ten-digit dialing is required for all local calls, you need to dial the three-digit area code and the seven-digit phone number.
  • You won't be required to change your existing seven-digit telephone number, only add the three-digit area code.
  • The geographic boundaries that govern long distance haven't changed.
  • All three-digit numbers, including 211, 311, 411, 611, 811, and 911 emergency service (where applicable) remain the same.
  • If your area has ten-digit dialing, ensure all of your communications equipment and systems reflect it:
    • Speed-dial lists
    • Modems and Internet connections
    • Telephones, including call options and functions such as Call Forwarding
    • Computers and fax machines
    • Databases
    • Auto-dial systems
    • Mobile devices
    • Alarm company

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