How to contact us:

Category Hours Phone Toll-Free email
email 24/7/365 301-255-0500, opt 2, 1 1-888-818-0500, opt 2, 1 support@his.com
Web Hosting 24/7/365 301-255-0500, opt 2, 2 1-888-818-0500, opt 2, 2 websupport@his.com
T1 Circuits 24/7/365 301-255-0500, opt 2, 3 1-888-818-0500, opt 2, 3 support@his.com
Dialup 24/7/365 301-255-0500, opt 2, 1 1-888-818-0500, opt 2, 1 support@his.com
Billing 9 AM - 5 PM Eastern, M-F 301-255-0500, opt 3 1-888-818-0500, opt 3 billing@his.com
Sales 9 AM - 5 PM Eastern, M-F 301-255-0500, opt 1 1-888-818-0500, opt 1 sales@his.com
    
HIS Business Office Mailing Address:

Heller Information Services, Inc.
30 West Gude Drive
Suite 220
Rockville, MD  20850-1161

FAX:  301-637-3449