Tax Guide/Reference
CRA phone numbers and links
Updated November 4, 2026
| Who to call | Number |
|---|---|
| Individual tax inquiries | 1-800-959-8281 |
| Business and GST/HST inquiries | 1-800-959-5525 |
| Benefits inquiries | 1-800-387-1193 |
Have your social insurance number or business number, and details from a recent return, ready.