Contact Information:
Contact By Email
General Help help@thinkorswim.com
Technical Questions tech@thinkorswim.com
Getting Started account@thinkorswim.com
Client Only Help client@thinkorswim.com
Email Confirmations Activation
(include your account number)
confirms@thinkorswim.com
Contact By Phone
Main Office 1-773-435-3210
Trade Desk (clients only) 1-773-435-3220
Toll Free (trade/help) 1-866-839-1100
Technical Support 1-866-839-1100 ext. 3290
Trade Desk 1-866-839-1100 ext. 3220
General Mailing Address
thinkorswim, Inc.
3304 North Lincoln Ave.
Chicago, IL 60657
