Telephone: 416-344-1000 Toll free: 1-800-387-0750 TTY: 1-800-387-0050 Fax: 416-344-4684 or 1-888-313-7373 Head Office: 200 Front Street West Toronto, Ontario M5V 3J1 Avoid processing delays by faxing all WSIB claim-related information, no matter where you live, to 1-888-313-7373 or 416-344-4684