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Contact

For account assistance, customer service, or to place a trade.


1-800-524-8875

Monday - Friday
7:00 a.m. - 5:00 p.m. MT


Fax

InteractiveBroker
312-984-1017

Zions Direct
888-264-6188


Mail

Regular Address
Interactive Brokers LLC — Document Processing
P.O. Box A3770
Chicago, IL 60690-3770

Overnight Address
Interactive Brokers LLC — Document Processing
209 South LaSalle Street, 10th Floor
Chicago, IL 60604