EFILE Helpdesk support for T1 Returns

If you have any EFILE web service questions regarding error messages and/or authentication problems for EFILE numbers and passwords (including those for T2 tax preparer for EFILE), please make every attempt to contact your designated EFILE Helpdesk at the phone number indicated on your EFILE Renewal/Registration Confirmation page or as listed below.

If you are having problems with the Auto-fill my return login process, go to CRA user ID and password help and FAQs or contact the e-Services Helpdesk for businesses.

For all other questions please contact the applicable enquiries telephone number.


EFILERS served by
tax services offices in:
Designated EFILE Helpdesk Hours of operation
Monday to Friday

British Columbia,

Yukon, and


Surrey Tax Centre
9755 King George Blvd
Surrey, BC, V3T 5E1
Local calls: 604-585-7369
Long distance calls: 1-800-268-1822
Fax: 604-951-7011
8:15 a.m. to 4:30 p.m.

Alberta, Manitoba,

Northwest Territories,

London, Saskatoon,

Thunder Bay, and Windsor

Winnipeg Tax Centre
66 Stapon Road
Winnipeg MB R3C 3M2
Local and long distance calls:
Fax: 204-984-5302
8:15 a.m. to 4:30 p.m.

Toronto Centre, Toronto East,

Toronto North, Toronto West, and

(Sudbury/Nickel Belt only)

Sudbury Tax Centre
1050 Notre-Dame Avenue
Sudbury ON P3A 5C1
Local calls: 705-670-6499
Long distance calls: 1-800-361-6283
Fax: 705-670-6500 or 1-855-338-5495
8:15 a.m. to 4:30 p.m.

Laval, Montréal, Nunavut,

Ottawa, Rouyn-Noranda, Sherbrooke, and

(northeastern Ontario only)

Shawinigan-Sud Tax Centre
4695 Shawinigan-Sud Boulevard
Shawinigan QC G9P 5H9
Local calls: 819-537-5753
Long distance calls: 1-800-265-6201
Fax: 819-536-5487 or 1-888-959-2929
8:15 a.m. to 4:30 p.m.

Chicoutimi, Montérégie-Rive-Sud,

Outaouais, Québec,

Rimouski, and Trois-Rivières

Jonquière Tax Centre
2251 René-Lévesque Blvd
Jonquière QC G7S 5J2
Local and long distance calls: 1-855-699-4640
Fax: 418-699-0203 or 1-800-497-5806
8:15 a.m. to 4:30 p.m.

New Brunswick, Newfoundland and Labrador,

Nova Scotia, Kingston,

Peterborough, and St. Catharines

St. John's Tax Centre
P.O. Box 12071 Station A
St. John's NL A1B 3Z1
Local calls: 709-772-5809
Long distance calls: 1-800-563-2331
Fax: 709-772-3611 or 1-877-772-3611
8:15 a.m. to 4:30 p.m.

 Belleville, Hamilton, and Kitchener/Waterloo

Prince Edward Island Tax Centre
Suite 105
275 Pope Road – Suite 105
Summerside PE C1N 6A2
Local calls: 902-432-5316
Long distance calls: 1-877-522-2061
Fax: 902-432-5836 or 1-877-522-2062
8:15 a.m. to 4:30 p.m.


If you have comments or suggestions on improving EFILE Online services, please feel free to send us an email. You will not receive a reply, but we will review your comments.

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