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 - Worldwide
719.268.0174 - US

Hours

Monday – Friday
9:00 a.m. – 7:00 p.m. ET
8:00 a.m. – 6:00 p.m. CT
7:00 a.m. – 5:00 p.m. MT
6:00 a.m. – 4:00 p.m. PT

Closures

Please note that HDI observes the following holidays for the 2017 Calendar year:

  • January 2, 2017: New Year's Day observed
  • January 16, 2017: Martin Luther King Day
  • February 20, 2017: President’s Day
  • May 26, 2017: 1pm close, Friday before Memorial Day
  • May 29, 2017: Memorial Day
  • July 3, 2017: Day before Independence Day
  • July 4, 2017: Independence Day
  • September 1, 2017: 1pm close, Friday before Labor Day
  • September 4, 2017: Labor Day
  • October 9, 2017: Columbus Day
  • November 22, 2017: 1pm close, Thanksgiving Eve
  • November 23, 2017: Thanksgiving Day
  • November 24, 2017: Day after Thanksgiving
  • December 25, 2017: Christmas Day
  • January 1, 2018: New Year’s Day 2018

Online Learning Management System

Frequently Asked Questions