Canada Revenue Agency
Symbol of the Government of Canada

International Tax Services Office

Office address:
2204 Walkley Road
Ottawa ON  K1A 1A8
CANADA

Office hours:
8:15 a.m. to 4:30 p.m. (year round)
Service by appointment only (see telephone numbers below)

Mailing address:
International Tax Services Office
Post Office Box 9769, Station T
Ottawa ON  K1G 3Y4
CANADA

 

Hours of telephone service:

Individuals
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, February 20 to April 30)

Non resident corporations and trusts
8:15 a.m. to 5:00 p.m. from Monday to Friday
(Eastern time, year-round)

For questions about GST/HST, please see Non-resident GST/HST enquiries.

For questions about Corporation Internet Filing, please see Corporation Internet Filing Help Desk Hours of Service.

For all other questions, see the telephone numbers below.

Calls from anywhere in Canada and the United States

Individuals 1-800-267-5177
Non-resident corporations
1-800-561-7761
(Ext. 9144)
Non-resident corporation accounts
1-800-561-7761
(Ext. 9155)
Non-resident trusts
1-800-561-7761
(Ext. 9150)
Part XIII tax and Non-resident withholding accounts
1-800-267-3395

Calls from outside Canada and the United States
(we accept collect calls)

Individuals 1-613-952-3741
Non-resident corporations and corporation accounts 1-613-954-9681
Non-resident trusts
1-613-952-8753
Part XIII tax and Non-resident withholding accounts
1-613-952-2344

Fax numbers

Individuals
1-613-941-2505
Non-resident corporations, corporation accounts, and trusts 1-613-952-3845
Part XIII tax and Non-resident withholding accounts
1-613-941-6905