Can We Help You? call 800-843-5827 Technical Support 24/7! Internet Support LumiVision Streaming Support Phone Support SupportOffice Hours: Monday – Friday: 8:00am to 5:00pm Phone Support: Available 24 hours every day. 800-843-5827 608-437-6850 608-437-3030 (Fax) support@mhtc.net Business SupportOffice Hours: Monday – Friday: 8:00am to 4:30pm Mount Horeb Office 200 East Main Street Mount Horeb, WI 53572 608-437-5551 608-437-8898 (Fax) Dodgeville Office 305 North Iowa Street Dodgeville WI 53533 608-930-9985 608-930-9988 (Fax)