Make a non-resident GST/HST enquiry at the London-Windsor Tax Services Office

Address
Non-Resident Registration & Security
London-Windsor Tax Services Office
Canada Revenue Agency
185 Ouellette Avenue
Windsor ON N9A 4H7

Telephone
Our hours of service are 8:30 a.m. – 4:30 p.m., from Monday to Friday (local time, year-round).

We accept collect calls by automated response. Please note that you may hear a beep and experience a normal connection delay.

For Registrations and Security:
Telephone: 519-252-4705
Toll free (Canada/United States): 1-866-453-0452

Fax
519-971-2011

Date modified:

2017-04-28