Canada Revenue Agency
1-800-959-8281 help with MyAccount
1-800-387-1193 help with benefits
You can also call the constituency office of your Member of Parliament (MP). They can often help answer questions and get information to you.
In Ward 13 - Toronto Centre, your MP is Marci Ien.
Constituency Office (Toronto):
430 Parliament Street, Toronto, Ontario, M5A 3A2