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Client Services
Admissions
1.800.291.8289
Monday—Friday: 9am—9pm ET
Renewals
1.800.706.7452
Monday—Friday: 10am—8pm ET
Support
1.800.204.7143
Monday—Friday: 9am—9pm ET
Live Chat
Monday—Friday: 9am—9pm ET
Saturday: 10am—2pm ET
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Investor Relations
Jeff Goeser
Director, Finance & Investor Relations
1.402.597.8464
For Journalists
Kim Hillyer
Senior Manager, Communications & Public Affairs
1.402.574.6523
1.800.400.1336
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Offices
Omaha
Corporate Headquarters
4211 South 102nd Street
Omaha, NE 68127
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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