If you have any EFILE Online or EFILE Online Plus questions regarding error messages and/or authentication problems for EFILE numbers and passwords (including those for T2 EFILERS), 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.
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 Territory, and Regina | Surrey Tax Centre 9755 King George Boulevard Surrey BC V3T 5E6 Local calls: 604-585-7369 Long distance calls: 1-800-268-1822 Fax: 604-951-7011 |
8:00am to 4:00pm |
| Alberta, Manitoba, Northwest Territories, London, Saskatoon, Thunder Bay, and Windsor | Winnipeg Tax Centre 66 Stapon Road Winnipeg MB R3C 3M4 Telephone: 1-800-461-1806 Fax: 204-984-5302 |
8:00am to 4:00pm |
| Toronto Centre,
Toronto East,
Toronto North,
Toronto West, and
Sudbury (Sudbury/Nickel Belt only**) |
Sudbury Tax 1050 Notre-Dame Avenue Sudbury ON P3A 5C1 Local calls: 705-670-6499 Long distance calls: 1-800-361-6283 Fax: 705-670-6500 |
8:00am to 4:00pm |
| Laval,
Montréal,
Nunavut,
Ottawa,
Rouyn-Noranda,
Sherbrooke, and
Sudbury (North-Eastern Ontario only**) |
Shawinigan Tax Centre P.O. Box 5000 Main Station Shawinigan-Sud QC G9N 8M1 Local calls: 819-537-5753 Long distance calls: 1-800-265-6201 Fax: 819-536-5487 or 1-888-959-2929 |
8:00am to 4:00pm |
| Chicoutimi, Montérégie-Rive-Sud, Outaouais, Québec, Rimouski, and Trois-Rivières | Jonquière Tax Centre P.O. Box 1900 Station PDF Jonquière QC G7S 5J1 Local calls: 418-699-0735 ext 2900 Long distance calls: 1-888-699-0735, ext 2900 Fax: 418-699-0203 or 1-800-497-5806 |
8:00am to 4:00pm |
| 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 |
8:00am to 4:00pm |
| Prince Edward Island, Belleville, Hamilton, and Kitchener/Waterloo | Summerside Tax Centre Suite 105 275 Pope Road Summerside PE C1N 6E8 Local calls: 902-432-5316 Long distance calls: 1-877-522-2061 Fax: 1-877-522-2062 |
8:00am to 4:00pm |
If you do not know which tax centre to contact, check the following Web page for T1 return processing workloads.
Technical support is available through online features on this Web site. We encourage you to use these facilities, which deal extensively with topics such as Web browsers, cookies, and root certificates.
We also maintain a News page that has messages for the electronic filing community.
If you have hardware problems, such as computer or modem malfunctions, refer to your hardware manuals or contact the vendor. If software is causing the problem, refer to the developer's manual, help line, or Web site.
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