Customer Service

Hours: Mon-Fri. 9:00 a.m. – 6:00 p.m. ET
Toll-free: 1-855-CALL-DH1 (1-855-225-5341)

HolidaysOur offices will be closed on these holidays

  • New Year’s Day
  • Good Friday
  • Memorial Day
  • Independence Day (or the workday closest to the 4th of July if it falls on a weekend)
  • Labor Day
  • Thanksgiving Day & the Friday after Thanksgiving
  • Christmas Eve & Christmas Day

Customer Service Mailing Address

100 Winners Circle N., Suite 300
Brentwood, TN 37027

H3.Group Partner Program

Eric Snethkamp
Director of Channel Partnerships

W-9 Form

Download the W-9 Form here. (PDF file)