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Suite 900
Chicago, Illinois 60601
Ph: 312-729-5800
Fax: 888-922-3766

Customer Service:

Hours: Monday through Friday 9:00 AM -5:00 PM Central Time


Customer Service for Institutions and general inquiries:

US: 800-975-3250

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Email (Print): customerservice@worldbook.com

Email (Digital): wboltech@worldbook.com




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