Houghton Mifflin Harcourt
Houghton Mifflin Harcourt
Customer Care Online Service Center
Customer Care Online Service Center

Welcome to Order Tracking

For Intervention Solutions Claims, Order Tracking or Account Statements please contact us at 877-234-7323 8:00am to 7:00pm EDT Monday - Friday or by email to InterventionSolutionsInquiries@hmhco.com.
If you don't have your Account Number available:
Step one_icon Click on an option and enter the details:
Step one_icon Click on an option and enter the details:
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If you have your Account Number available:
Enter your account number for additional search options
 
 Account Number

How to find an Account Number?
You can find your account number in the upper left hand portion of your invoice. Either Ship-to, Bill-to or Sold-to can be used.

Note: Ship-to will be the most effective search for orders going to a school location