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 2019 Calendar year:
- January 1, 2019: New Year's Day
- January 21, 2019: Martin Luther King Day
- February 18, 2019: President’s Day
- May 27, 2019: Memorial Day
- July 4, 2019: Independence Day
- September 2, 2019: Labor Day
- November 28, 2019: Thanksgiving Day
- November 29, 2019: Day after Thanksgiving
- December 25, 2018: Christmas Day
Online Learning Management System
Frequently Asked Questions