go to ufile.ca or quicktax.ca to prepare tax file, then use netfile at http://www.netfile.gc.ca/ to upload the tax file. It is fast and you can do it at oversea.
International Tax Services Office:
2204 Walkley Road
Ottawa ON K1A 1A8
Canada
Hours of service at the counter:
8:15 a.m. to 5:00 p.m. (year round)
Calls from the Ottawa area (613) 952-3741
Calls from anywhere in Canada and the United States 1-800-267-5177
Calls from outside Canada
and the United States (we accept collect calls) (613) 952-3741
Fax (613) 941-2505
Hours of Individual Income Tax Enquiries telephone service:
8:15 a.m. to 5:00 p.m. from Monday to Friday (Eastern time, May 1 to mid-February)
8:15 a.m. to 9:00 p.m. from Monday to Thursday; 8:15 a.m. to 5:00 p.m. on Friday (Eastern time, mid-February to April 30)