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 2014 holidays:

  • January 1: New Year's Day
  • January 20: Martin Luther King, Jr. Day
  • February 17: President's Day
  • May 23: Office closes at 3:00 p.m. ET
  • May 26: Memorial Day
  • July 4: Independence Day
  • August 29: Office closes at 3:00 p.m. ET
  • September 1: Labor Day
  • November 26: Office closes at 3:00 p.m. ET
  • November 27-28: Thanksgiving
  • December 18: Office closes at 5:00 p.m. ET
  • December 24: Office closes at 3:00 p.m. ET
  • December 25-26: Christmas

Please note that HDI observes the following 2015 holidays:

  • January 1-2: New Year's Holiday

Online Learning Management System

Frequently Asked Questions