If you need to contact the CRA regarding your taxes, there are a variety of ways to do so. Please note that all avenues of contact may not be available to all users, and that wait times for contact can vary depending on volume.
To contact the CRA by phone, start by going to the CRA Contact page.
Once there, select your applicable contact option by scrolling down to Step 2 on the page, clicking the blue link, then selecting the contact number that best suits your needs.
If you'd like to try and use self-help options in regards to your CRA question, there is a robust and detailed FAQ library available to you.
Simply visit the CRA Contact page, on click on one of the links provided above the telephone section.
If you still can't find what you're looking for, feel free to search for additional information on our Support site, by entering a question or phrase in the search section.
The CRA has also introduced a series of web and mobile apps to assist with your tax needs. Visit their app landing page to find out which products are available from your computer, phone, or tablet.