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 2015 holidays:

  • January 1: New Year's Day
  • January 2: Day after New Year's
  • January 19: Martin Luther King, Jr. Day
  • February 16: President's Day
  • May 22: Office closes at 3:00 p.m. ET
  • May 25: Memorial Day
  • July 3: Independence Day observed
  • September 4: Office closes at 3:00 p.m. ET
  • September 7: Labor Day
  • November 25: Office closes at 3:00 p.m. ET
  • November 26-27: Thanksgiving
  • December 24-25: Christmas
  • December 31: New Year's Eve

Online Learning Management System

Frequently Asked Questions