Contact Us by Telephone
Hours of Service
- 8:30 a.m. to 5:00 p.m., Monday to Friday
- Services are not available on statutory holidays
Call the ministry toll-free
- 1 866 ONT-TAXS (1 866 668-8297)
- 1 800 263-7776 for teletypewriter
Outside North America? Call
- 905 433-6000
