If you have any doubts that CRA does not have your correct address on file, you should reach out to them and verify the address as soon as possible. Even if you have Direct Deposit in place, your refund could be held up if CRA has the wrong address on file.
The following link provides you with phone numbers and other ways to Contact the Canada Revenue Agency. The phone number for CRA General Enquiries is 1-800-959-8281.