The main phone number for the Canadian Greyhound headquarters is 800-661-8747, as of 2015. The phone number for the hearing impaired is 800-397-7870, which is available Monday through Sunday, 24 hours a day.
The Canadian Greyhound website also provides other methods of contacting them and phone numbers for other departments. The phone number for Greyhound Package Express is 877-463-6446. Customer assistance is available at the same number, while the number for website support is 800-365-7147. Customers can also mail questions or concerns to Greyhound at: 1111 International Blvd., Ste. 700, Burlington, Ontario, L7L6W1.
The Canadian Greyhound website provides more phone numbers and contact information, including email addresses and online forms to reach the various departments.