interactive brokers customer service phone number
Overseas Customer Service Phone numbers Of Interactive brokers. To Call Interactive Brokers given below customer service phone number worldwide: United States: 1 (877) 442-2757 Toll free or 1 (312) 542-6901 Direct dial. Canada: 1 (877) 745-4222 Toll free or 1 (514) 847-3499 Direct dial.