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.
[email protected]
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 2018 Calendar year:
- January 1, 2018: New Year's Day
- January 15, 2018: Martin Luther King Day
- February 19, 2018: President’s Day
- May 25, 2018: 1pm close, Friday before Memorial Day
- May 28, 2018: Memorial Day
- July 4, 2018: Independence Day
- August 31, 2018: 1pm close, Friday before Labor Day
- September 3, 2018: Labor Day
- October 8, 2018: Columbus Day
- November 21, 2018: 1pm close, Thanksgiving Eve
- November 22, 2018: Thanksgiving Day
- November 23, 2018: Day after Thanksgiving
- December 24, 2018: Christmas Eve
- December 25, 2018: Christmas Day
- December 31, 2018: New Year's Eve
- January 1, 2019: New Year’s Day 2019
Online Learning Management System
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