Admissions
1.800.416.6861
Monday—Friday: 9am—9pm EST
Renewals
1.800.706.7452
Monday—Friday: 10am—8pm EST
Support
1.800.204.7143
Monday—Friday: 8am—9pm EST
Live Chat
Monday—Friday: 8am—9pm EST
Saturday: 10am—2pm EST
Ida K. Kane
Chief Financial Officer
1.801.816.6918
Paul Helbling
Chief Administrative Officer
1.801.816.6858
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Fran Del Valle
1.212.717.5499
New York
Coporate Headquarters
45 Rockefeller Plaza
Suite 2012
New York, NY 10111
Chicago
thinkorswim Operations
600 West Chicago Avenue
Chicago, IL 60610
Utah
Operations
13947 South Minuteman Drive
Draper, UT 84020
California
Technology Operations
658 High Street
Palo Alto, CA 94301
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