HDI Customer Care Center

The HDI Customer Care Center operates from HDI's headquarters in Colorado Springs. From taking orders to resolving customer concerns, our team is happy to assist you with any HDI-related matter. Contact us with questions about products, services, purchases, account histories, or anything else you may need.

support@thinkhdi.com
800.248.5667 US
719.268.0174 Worldwide

Hours

Monday – Friday
9:00 a.m. – 7:00 p.m. ET

Closures

Please note that HDI observes the following holidays:

  • January 1, 2016: New Year's Day
  • January 18, 2016: Martin Luther King, Jr. Day
  • February 15, 2016: President's Day
  • May 30, 2016: Memorial Day
  • July 4, 2016: Independence Day
  • September 5, 2016: Labor Day
  • November 23, 2016: Office closes at 3:00 p.m. ET
  • November 24-25, 2016: Thanksgiving
  • December 23, 2016: Christmas Eve observed
  • December 26, 2016: Christmas observed
  • December 30, 2016: New Year's Eve observed
  • January 2, 2017: New Year's Day observed

Online Learning Management System

Frequently Asked Questions