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📞 1-800-959-8281
Available Monday to Friday, 8 am to 8 pm (local time)
📞 1-800-959-5525
Available Monday to Friday, 8 am to 8 pm (local time)
📞 1-800-387-1193
For GST/HST credit, Canada child benefit, etc.
📞 1-800-267-2384
For registered charities and donors
📞 1-888-863-8657
Call regarding payment arrangements and collection matters
📞 1-877-877-7441
Contact the compliance division directly for investigation or disclosure-related matters.
📞 1-800-665-0354
For people with hearing or speech impairments
📞 1-613-940-8495
Only accepts collect calls from outside Canada and the U.S.
Date modified: 2025-01-21