The National Do Not Call List (DNCL) allows residents of Canada to limit telemarketing calls they receive by registering their residential, fax, wireless or VoIP telephone number(s).

The National DNCL provides the following registration options:
On-Line: https://www.lnnte-dncl.gc.ca/
Toll-free telephone: 1-866-580-DNCL (3625)
Toll-free TTY device: 1-888-DNCL-TTY (362-5889)
Toll-free fax: 1-888-DNCL-FAX (362-5329)

If you are going to register by phone/fax you must call/send fax from the number you wish to register.

For more information about the National DNCL and detailed registration instructions, please click here to open the official web site of the National DNCL