Methods of Submitting a Complaint

We strongly recommend that you use our online complaint form. It’s the quickest way to get a response to your complaint because it prompts you to provide all the necessary information as you submit your complaint.

Before you begin, please review Information we need to help you, which explains the required information you must provide when submitting a complaint.

If you are unable to use the online interactive questionnaire, you can also provide us with the details of your complaint by any of the following methods.


Download and print a copy of our Complaint Form, fill it out and fax it to us at 1-877-782-2924.


Download and print a copy of our Complaint Form, fill it out and mail it to us at:

P.O. Box 56067 – Minto Place RO
Ottawa, ON
K1R 7Z1


To ensure reasonable access to the CCTS, particularly for persons with disabilities, we may accept complaints by telephone. Please be prepared to provide us with all of the required information contained in Information we need to help you. If you want to make a complaint by phone, call us at 1-888-221-1687.


If you require additional accessibility, contact us through our TTY service at 1-877-782-2384.

Video Relay Service (VRS)

Customers who prefer can contact us using VRS. Our customer service agents are trained to interact with customers and the VRS operator to help customers file their complaints or obtain information.