Canadian Residents

Individual income tax enquiries: 1-800-959-8281

Our automated service is available 24 hours a day, 7 days a week. Agents are available during regular and extended service hours.

Calls from the Ottawa area: (613) 952-3741

http://www.ccra-adrc.gc.ca/contact/1-800-e.html

Non-Canadian Residents

International Tax Services Office:

2204 Walkley Road
Ottawa, Ontario, Canada K1A 1A8

Hours of service at the counter:
8:15 a.m. to 5:00 p.m. (year round)

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