The CRA phone number for Individual tax enquiries is
1-800-959-8281 if you are in Canada and United States (613-940-8495 if you are elsewhere). Call this number for tax information for individuals, trusts, international tax and non-residents, including personal income tax returns, instalments, and RRSPs or to get forms and publications. Also call this number for assistance with CRA electronic services for individuals such as
My Account, Represent a Client and NETFILE.